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- 1. Multiple Choice
I don’t know 😓
- 2. Multiple Choice
I don’t know 😓
- 3. Multiple Choice
I don’t know 😓
- 4. Multiple Choice
I don’t know 😓
- 5. Multiple Choice
I don’t know 😓
- 6. Multiple Choice
I don’t know 😓
- 7. Multiple Choice
I don’t know 😓
- 8. Multiple Choice
I don’t know 😓
- 9. Multiple Choice
I don’t know 😓
- 10. Multiple Choice
I don’t know 😓
- 11. Multiple ChoiceSolve the equation
3x = 27.x = 24x = 81x = 9x = 3 - 12. Multiple Choice
In the equation 4c + 8 = 14, c is the ______________.
constant
coefficient
calculation
variable
- 13. Multiple Choice
5x - 2x =
3 - x
3x
x + 3
3 - x
I'm not sure
- 14. Multiple Choice
How many terms in the following expression:
5x + 3y - 15 + x
1
2
3
4
I'm not sure
- 15. Multiple Choice
Simplify
3x + 2x + 3y - 7y
5x + 10y
5x + 4y
5x - 4y
5x -10y
I'm not sure
- 16. Multiple Choice
If a = 4 and b = 6, what is the value of 3a + 5b?
40
42
44
46
I'm not sure
- 17. Multiple Choice
Which of the following is the correct expansion of:
5(r - 2)?
5r - 2
5r +2
5r + 10
5r - 10
I'm not sure
- 18. Multiple Choice
Expand (x+9)(x-9)
x2-18x-81
x2-81
x2+81
x2+18x-81
I'm not sure
- 19. Multiple Choice
3x - 5 = -26
x=-21
x=21
x=-7
x=61
I'm not sure
- 20. Multiple Choice
Solve for x:
4x + 1 = 7x - 5
-1
2
6/11
8
I'm not sure
- 21. Multiple ChoiceExpand and simplify 4(x + 2) + 3(x + 5)7x + 237x + 7
7x + 15
7x - 22. Multiple ChoiceFactorise 4x + 82(x + 4)4(x + 2)4x(x + 2)12x
- 23. Multiple ChoiceWhat is the highest factor or 12 and 16?121624
- 24. Multiple ChoiceExpand -2(x-2)-2x+42x-4-2x-42x-2
- 25. Multiple ChoiceExpand and Simplify 3(x+4)+13x+133x+73x+113x+15
- 26. Multiple ChoiceExpand and Simplify 2(x+2)-2(x+3)24x+8-24x-6
- 27. Multiple ChoiceExpand and Simplify 4(x+2)-3(x+1)x+37x+1x+55x+11
- 28. Multiple ChoiceExpand and Simplify 4(3x+1)-(x+5)11x+17x+1311x-113x+1
- 29. Multiple Choice
6w - 6w + 6w + 9w
w
15w
9w
6w
- 30. Multiple ChoiceSimplify the expression: 7v + 2 + 12 + 2v2323v9 + 14v9v + 14
- 31. Multiple Choicew + w + w could be simplified as?3w3w0
- 32. Multiple Choice−x2+2−1+6x2−4x2x 2 -1x2 +13x2 +1x 2+3
- 33. Multiple Choice4a + 9 + a5a + 914a3a + 95a - 9
- 34. Multiple ChoiceSimplify 6(x + -2)6x + -26x + -124x6x - 2
- 35. Multiple ChoiceSimplify the expression: 7+3(1 - 2x)21 - 6x10 - 2x10 - 20x10 - 6x
- 36. Multiple Choice-12n - (-13n)-25n25nn-n
- 37. Multiple ChoiceSimplify the expression:
6 + 2(7x - 3)12 + 7x14x14x + 39 + 7x - 38. Multiple Choice
(x - 5)(x + 3)(x + 2)
x3 - 5x2 + 11x - 30
x3 + 6x2 + 30
x3 +-19x - 30
x3 + 6x2 - 30
- 39. Multiple Choice(3x+2)(2x +3)6x2 + 6x + 65x2 + 11x + 66x2 + 13x + 66x2 + 13x + 5
- 40. Multiple ChoiceExpand (x + 5)(x - 3)x2 - 15x2 + 2xx2 + 15x - 15x2 + 2x - 15
- 41. Multiple ChoiceFactorise: 4x2 + 8x4x(x+2)4(x2+2x)2x(2x+4)2(2x2+4)
- 42. Multiple ChoiceWhich of the following is the correct expansion of:
3p(4p - 7q)?7p - 10pq12pq - 21q29q12p2 - 21pq - 43. Multiple ChoiceExpand 4(x+2)4x+44x+24x+84x+6
- 44. Multiple Choice
Which is a linear equation?
- 45. Multiple Choice
Which is a linear equation?
- 46. Multiple Choice
Which is a linear equation?
- 47. Multiple Choice
Which is a linear equation?
- 48. Multiple Choice
Which is not a linear equation?
3x+7y
- 49. Multiple Choice
Which is a linear equation?
- 50. Multiple Choice
Which is a linear equation? Check all that apply.
- 51. Multiple Choice13uv - 8 + vu + 7A) 12uv - 15B) 5uv + vu + 7C) 13uv - 1 + vuD) 14uv - 1
- 52. Multiple Choice- 9 - rs + 9rs + 9A) 8rsB) 18 + 8rsC) 10rsD) - 18 - 8rs
- 53. Multiple Choice20stu - 8u - 12uts - 3 + uA) 8stu - 7u - 3B) 8stu - 9u - 3C) 20stu - 7u - 12uts - 3D) 20uts - 9u - 12uts - 3
- 54. Multiple Choice
7+7×7−7∕ 7×(7+7)
42
7
14
none of these
- 55. Multiple Choice
37+37+37=⋅⋅⋅⋅⋅⋅⋅
97
321
38
277
- 56. Multiple Choice
IF(x-y)=3 & (x2-y2)=15,THEN(x+y)=......
10
5
45
20
- 57. Multiple Choice
3 + 23 - 8
8
1
3
-3
- 58. Multiple Choice
-3(x - 3) + 6(x + 1)
3x + 6
3x + 4
-3x + 16
3x + 15
- 59. Multiple Choice
4a + 8 = -20
-6
-7
3
-3
- 60. Multiple Choice
8(x - 1) = 4(x + 4) - 2x
2
6
-2
4
- 61. Multiple Choice
35 is 29% of what?
10.2
1015
120.7
1.2
- 62. Multiple Choice
It takes you 30 minutes to ride 8 miles on your bike, about how long will it take you to ride 10 miles?
34 minutes
38 minutes
32 minutes
40 minutes
- 63. Multiple Choice
(4x9)(5x-5)
20x-45
9x4
9x-4
20x4
- 64. Multiple Choice
(3x2 - 5x + 7) - (2x2 + 9x - 1)
x2 - 4x + 6
5x2 - 4x + 8
x2 - 14x + 8
x2 + 4x + 6
- 65. Multiple Choice
(5a - 4)(3a - 7)
15a2 - 23a - 28
15a2 - 47a + 28
15a2 + 47a - 28
15a2 - 23a + 28
- 66. Multiple Choice
5.33
39
4
3
- 67. Multiple Choice
Solve the following equation for w
5w + 5 = -90
19
-19
17
-17
- 68. Multiple Choice
Solve for k
-20 = k - 2 + 8k
-2
2
-3
3
- 69. Multiple Choice
Solve for z
2(z + 4) = 20
14
13
7
6
- 70. Multiple Choice
Solve for p
4(p - 2) = 2(p + 5)
1
6
8
9
- 71. Multiple Choice
Solve for x
-130 = -5(4x + 2)
7
6
-6
-7
- 72. Multiple Choice
Solve for v
4(8v - 8) = 192
7
5
-5
-7
- 73. Multiple Choice
Solve for b
-108 = -b - 8(1 + 3b)
-5
4
-4
5
- 74. Multiple Choice
Solve for x
6(x + 2) = 6 + 3x
6
-6
2
-2
- 75. Multiple Choice
Solve for m
-7 + 7m = 1 + 6m
-6
8
-8
6
- 76. Multiple Choice
Simplify by combining like terms:
5a + 2b - 3a + 4
8a + 2b + 4
2a + 2b + 4
8ab
4ab + 4
- 77. Multiple Choice
Simplify d + d + d + d =
d4
4d
d4
4 + d
- 78. Multiple Choice
- 79. Multiple Choice
Solve:
3x - y = 11
x + y = 5
x = 4
y = 1
x = 4
y = -1
x = -4
y = 1
x = -4
y = -1
- 80. Multiple ChoiceSolve the Simultaneous Equations: x+y=5; x-y=1x=2, y=3x=3, y=2x=3, y=-2x=-3, y=2
- 81. Multiple Choice
Solve:
3x - y = 11
x + y = 5
x = 4
y = 1
x = 4
y = -1
x = -4
y = 1
x = -4
y = -1
- 82. Multiple Choice
Two pencils and a ruler cost 49 Naira in total. One pencil and two rulers cost 62 Naira in total. Find the cost of each item.
pencil: 13 Naira
ruler: 23 Naira
pencil: 15 Naira
ruler: 23.50 Naira
pencil: 12 Naira
ruler: 25 Naira
pencil: 18 Naira
ruler: 26 Naira
- 83. Multiple Choice
Cinderella had brochures printed for a new business venture. Cinderella originally ordered 4 boxes of black-and-white brochures and 3 boxes of colour brochures, which cost a total of
N134. After those ran out, Cinderella spentN120 on 3 boxes of black-and-white brochures and 3 boxes of colour brochures. Which simultaneous equations represent this situation?x+y=134
x+y=120
3x+3y=134
4x+3y=120
4x+3y=134
3x+3y=120
7xy=134
6xy=120
- 84. Multiple ChoiceA bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?3/103/91/91/3
- 85. Multiple Choice
In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?
1/11
1/18
1/36
2/33
- 86. Multiple ChoiceIn a cup are the numbers 1 - 20. Find the theoretical probability of
picking an even number.10/201/21/2020/20 - 87. Multiple ChoiceIn a cup are the numbers 1 - 20. Find the theoretical probability of
picking a number divisible by 5.4/201/55/201/4 - 88. Multiple ChoiceFind the theoretical probability of NOT landing on yellow if you spin the spinner.1/87/817
- 89. Multiple ChoiceThe probability of it raining today is 30%. What is the probability that it will NOT rain?30%70%100%0%
- 90. Multiple ChoiceA set of all possible outcomes is known as -a lista complementa sample spacean event
- 91. Multiple Choice
if the experimental probability of the roll of a dice is given below
Roll dice: 1, 3, 3, 4, 4
then the probability of obtaining a 1 is
3/5
1/6
2/5
1/5
- 92. Multiple ChoiceA jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?5/61/21/31/6
- 93. Multiple ChoiceWhat is the probability of choosing a vowel from the alphabet?21/265/261/217/21
- 94. Multiple ChoiceTheoretical Probability is?What Should happenWhat does happenWhat Will HappenWhat I want to Happen
- 95. Multiple ChoiceWhat is the probability of rolling 15 with a pair of dice?impossibleunlikelyequally likelylikely
- 96. Multiple ChoiceThe two rectangles are scale drawings. What is the measurement of x?211.25204
- 97. Multiple Choice
The scale drawing car length is 3 cm. If the scale is 1 cm to 4 feet, what is the actual car length?
12 feet16 feet10 feet4 feet - 98. Multiple Choice
A model of a flagpole has a scale of 1 cm.= 4 m. If the model pole measures 12 cm, how tall is the actual pole?
16 m
3 m
48 m
9 m
- 99. Multiple ChoiceScale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?14 in7 in42 in56 in
- 100. Multiple ChoiceIf the scale factor is greater than one, the new figure will bea reductionan enlargementa scalenot proportional
- 101. Multiple ChoiceIf the scale factor is less than one, the new figure will bean enlargementa reductiona scale factorbigger
- 102. Multiple ChoiceWhat is the scale factor from ΔDEF to ΔABC?1/27/3210/3
- 103. Multiple ChoiceJamie made a scale drawing of his apartment building. The building is 300 ft tall. He wants his scale to be 1 inch : 10 ft. How tall should his building be in his scale drawing?25 inches60 inches1/30 inch30 inches
- 104. Multiple Choice0.250.521/2
- 105. Multiple Choice
What is the scale factor from the small fry to the large fry?
1/3
48
4
3
- 106. Multiple Choice
A scale factor of 2 is used to enlarge the dimensions of a square. What is the effect of this change on the area of the square?
The area will be half as big.
The area will be twice as large.
The area will be 4 times larger.
The area will be 8 times larger.
The area will not change.
- 107. Multiple Choice
The dimensions of a rectangular photo are 3.5cm. x 5 cm. The dimensions of the photo are enlarged by a scale factor of 2.5. What is the perimeter of the new photo?
17.7 cm2
8.75 cm. X 12.5 cm.
42.5 cm.
There is not enough information.
- 108. Multiple ChoiceSolve the proportion:481410
- 109. Multiple Choice
Solve for the following proportion using cross multiplication
b=2
b=5
b=10
b=6
- 110. Multiple ChoiceFind the height of the tree.8 ft12 ft13 ft15 ft
- 111. Multiple Choice
A model is built to a scale of 1 m ∶ 10 m. If a model airplane is 3 meters long, how long is the actual plane?
13 m
30 m
3 ⅓m
- 112. Multiple Choice
What is 10% of
N250N2.50N25N250N2500 - 113. Multiple ChoiceWhat is 25% of 2 hours?45 minutes30 minutes0.3 hours0.5 minutes
- 114. Multiple ChoiceConvert 0.81 to a percent0.81%0.18%8.1%81%
- 115. Multiple ChoiceWhat fraction is equivalent to 25%?1/31/41/51/8
- 116. Multiple ChoiceConvert this decimal to a percentage 0.17517.5%1750%175%1.75%
- 117. Multiple Choice
Susie got a raise. She was making
N8.75 an hour. Now she is makingN9.50. What is the percent of change?6% Increase7% Increase8% Increase9% Increase - 118. Multiple Choice
A Sweet Sensation's cheeseburger cost
N0.79 in 1999. Today a cheeseburger costsN1.00. What is the percent change?21% increase
26.58% increase
26.58% decrease
21% decrease
- 119. Multiple Choice
The average number of shirts sold in the beach shop was 285 on Saturday in the summer. As the temperature went lower, the average number of shirts decreased to 114 every Saturday. What was the percentage decrease of in the average number of shirts sold in the shop?
60%
40%
150%
171%
- 120. Multiple Choicechange .451 to a percent451%.451%.00451%45.1%
- 121. Multiple Choice
Find the percentage change in the following price increase:
N650 toN72812%
88%
18%
82%
- 122. Multiple Choice
In a wetland, 400 birds are observed in 2018 and 450 birds are observed in 2019. Find the percentage change of the no. of birds.
decreased by 12.5%
increased by 50
increased by 12.5%
increased by 50%
- 123. Multiple Choice
Original:
N350New:
N40014% increase
25% increase
50% increase
.14% increase
- 124. Multiple Choice
Gabe scored a 70 on his first test. On the retake he scored an 88. What is the percent increase?
25.7%
18%
20.5%
22%
- 125. Multiple ChoiceSolve the proportion.q=2q=9q=4.5q=6
- 126. Multiple Choice
What is 84% of 175?
208.3
48
147
84
- 127. Multiple ChoiceA man had a mass of 70 kg. After six months on a diet, his mass was 63 kg. What is the percentage reduction in his mass?11.1117010
- 128. Multiple Choice
Ryan Transfers 15% of his pay into saving. If he makes
N1850 per month , how much will he save in a YEAR?N22,200N277.50N3330N1480 - 129. Multiple Choice
MacDaniel sells cars and earns 4% commission on his sales. This month he sold
N47,995 worth of cars. What is his commission for the month?N1,919.80N11,998.75N28,797N9,198.00 - 130. Multiple ChoiceWrite 57% as a decimal.5.70.057570.57
- 131. Multiple ChoiceWhat is 5/10 in percent form?0.5050%1/25.0
- 132. Multiple ChoiceWhat is the percent?20 %60%80%.60%
- 133. Multiple ChoiceWrite 0.39 as a percent.393.9%39%.0039%
- 134. Multiple Choice
What percent of 15 is 3?
30%
50%
40%
20%
- 135. Multiple Choice
What number is 40% of 40?
14
16
18
40
- 136. Multiple ChoiceWhat fraction is equivalent to 25%?1/31/41/51/8
- 137. Multiple ChoiceWhat is 1/8 as a percent?125%12.5%1.25%0.125%
- 138. Multiple Choice
What is 30% of 1200?
300
100
120
360
- 139. Multiple Choice
24 is what percent of 240?
15%
5%
10%
1%
- 140. Multiple Choice
What is the number which 20% of it is 700?
3500
350
35
3.5
- 141. Multiple Choice
Mr. Royal takes his family out to eat and the meal costs
N35 before tip. How much would the meal cost including tip if he leaves a 15% tip?N38.25N39.25N40.25N5.25 - 142. Multiple ChoiceWhat fraction is equivalent to 25%?1/31/41/51/8
- 143. Multiple ChoiceWhat is 1/8 as a percent?125%12.5%1.25%0.125%
- 144. Multiple Choice
How much tax would you pay on a new TV that is
N899 at Best Buy, if the tax rate is 6.5%?N957.44N841N58.43 - 145. Multiple ChoiceA town has a population of 9500 people. Over time the population increases to 16000 people. What is the percentage increase?68.4%59.4%40.6%50.0%
- 146. Multiple ChoiceThe movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?10%20%80%90%
- 147. Multiple Choice
Find each percent decrease. Round to the nearest percent. From
N80 toN6435%10%20%25% - 148. Multiple ChoiceMrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?24%20%11%50%
- 149. Multiple Choice
How much tax would you pay on a new TV that is
N899 at Best Buy, if the tax rate is 6.5%?N957.44N841N58.43 - 150. Multiple Choice
An original price increases 15% to
N48.00. What is the original price?N55.20N41.74N40.80N7.20 - 151. Multiple ChoiceThe students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?15.79%18.75%2.25%18%
- 152. Multiple ChoiceThe students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?15.79%18.75%2.25%18%
- 153. Multiple ChoiceWhich of the following expressions is equivalent to x2 – 4y2?(x + 2)(x – 2)(x – 2y)2(x + 2y)(x – 2y)(x + 2y)2
- 154. Multiple ChoiceFactor
4b5+4b3+16b24b3(b4+b2+4b)4b3(b4+4b+5)4(b5+b3+4b2)4b2(b3+b+4) - 155. Multiple ChoiceFactor
k2+7x+10(k+2)(k+5)(k-2)(k-5)(k+10)(k+4)(k+2)(k-5) - 156. Multiple ChoiceFactor
3v2 - 4v - 7(3v-7)(v+1)3(v-7)(v-1)(3v+1)(v-9)(3v+1)(v-10) - 157. Multiple ChoiceThe factorization of (x3 - 25 x) is ______x (x - 5)2x (x + 5)2x (x + 5) (x - 5)None of these
- 158. Multiple ChoiceChoose the correct answer:
The factors of a4 - b4 is _____(a2 + b2) (a + b) (a - b)(a2 + b2) (a2 + b2)(a2 - b2) (a2 - b2)None of these - 159. Multiple ChoiceChoose the correct answer:
a2 + bc + ab + ac = ______(a + b) (a + c)(a + b) (b + c)(a + c) (b + c)a (a + b + c) - 160. Multiple Choice(x + 1) (x + 1) is a factor of ____x2 + 2x + 1x2 - 2x + 1x2 - 1 + 2xx2 + 1 - 2x
- 161. Multiple Choice
3 , 4
3 , -4
2 , 6
2 , -6
- 162. Multiple Choice
- 163. Multiple ChoiceFactorise 3x²+12x3x(x+4)3(x²+4)
- 164. Multiple ChoiceDifference of squares
Factor x2-16(x-4)(x+4)(x-4)(x-4)(x+4)(x+4)(x+4){x-(-4)} - 165. Multiple ChoiceFactorise 2x + xy - 6 - 3yx (2 + y) - 3(2 + y)(2 + y)(x - 3)x (2 + y) - 3(2 - y)(2 + y)(x + 3)
- 166. Multiple Choice
Expand (y+1)(y-2).
y2-2y-2
y2-y-2
y2+y-2
y2+2y-2
- 167. Multiple Choice
Factorise ab+bc+pq+pr.
a(b+c) + p(q+r)
b(a+c) + p(q+r)
b(a+b) + p(q+r)
b(a+c) + q(p+r)
- 168. Multiple Choice
Expand and simplify 4(7x + 3).
28x + 12
28x + 3
47x + 12
47x + 3
- 169. Multiple Choice
Simplify 3x + 2y - 2x + 3y.
x + 5y
5x + 5y
5x + y
5x - 5y
- 170. Multiple Choice
Expand and simplify 3(x + 2) + 4(2x +1).
11x + 10
11x + 7
7x + 10
11x + 3
- 171. Multiple ChoiceFactorise x²+4xx(x+4)4x(x+1)
- 172. Multiple Choice
Determine the area for the diagrams below using algebraic expressions
10x2 - 11x - 6
7x2 - 11x - 6
10x2 - 19x - 6
10x2 + 11x - 6
- 173. Multiple Choice
- 174. Multiple Choice
- 175. Multiple Choice
- 176. Multiple Choice
- 177. Multiple Choice
- 178. Multiple Choice
- 179. Multiple Choice
Cannot factorization
- 180. Multiple Choice
- 181. Multiple Choice
Factorise 5a+5b
(a+b)
5(a+b)
5a + b
a + 5b
- 182. Multiple ChoiceFactor
4b5+4b3+16b24b3(b4+b2+4b)4b3(b4+4b+5)4(b5+b3+4b2)4b2(b3+b+4) - 183. Multiple Choice
Which of these are common factors of this expression: 21x2y + 35xy7 - 70x2y2 ?
7
x
y
x2
- 184. Multiple Choice
Which of these are common factors of this expression: 600a + 25ab2 - 75a2b5 ?
a
b
25
ab
- 185. Multiple Choice
Factorise 15x-9x2 completely
15x(1-3x)
3x(5x-9x)
5x(3-3x)
3x(5-3x)
- 186. Multiple Choice
Factorise completely ax2y - 2ax2z
2ax2(y-2z)
ax2(y-2z)
ax(yx-2xz)
a(xy-2x2z)
- 187. Multiple Choice
Factorise completely: xh + xk + yh + yk
(h + k)(x + y)
(h + x)(y + k)
h(x + y + k)
(hk)(x + y)
- 188. Multiple Choice
Factorise completely ax - ay - bx + by
(a + b)(x + y)
(a - b)(x + y)
(a + b)(x - y)
(a - b)(x - y)
- 189. Multiple Choice
Factorise completely ms + 2mt2 - ns - 2nt2
(s+2t2)(m+n)
(s-2t2)(m-n)
(s+2t2)(m-n)
(s+2t)(m-n2)
- 190. Multiple Choice
Factorise completely: 6ax + 2bx + 3ay + by
(3x+b)(2a+y)
(3a+b)(2x+y)
(3a+y)(2x+b)
(3x+y)(2a+b)
- 191. Multiple Choice
In a direct variation, y = 39 when x = 3.
Find the value of y when x = 2.
26
3
58.5
2
- 192. Multiple Choice
y varies directly with x. When y = 25, x = 125. Find the value of x when y = 20.
3
4
55
100
- 193. Multiple Choice
The amount of money earned on a job is directly proportional to the number of hours worked. If
N70 is earned in 5 hours, how much money is earned in 22 hours of work?N29N308N1.57N265 - 194. Multiple Choice
What ordered pair does a direct variation always go through when graphed?
(0, 0)
(1, 0)
(0, 1)
(1, 1)
- 195. Multiple Choice
Is this a direct variation?
y = 2x
yes
no
- 196. Multiple Choice
Is the given table a direct variation? If so, what is the constant?
Yes
Yes
Yes
No
- 197. Multiple Choice
Which graph shows a direct variation between x and y?
A
B
C
D
- 198. Multiple Choice
Does this function represent a direct variation?
y = 7x + 3
yes
no
- 199. Multiple Choice
Given that y varies directly as the square of x. Find the relation between y and x.
y α √x
y α 1 ∕ √x
y α x2
y α 1 ∕ x2
- 200. Multiple Choice
Given that Q varies directly as the square root of P. Given that the value of P = 1/4 when Q = 3. Find the value of P if Q = 2.
1 / 9
1 / 3
12
36
- 201. Multiple Choice
R varies directly as cube root of S. The relation between R and S is
R α S1/3
R α S3
R α 1 / S1/3
R α 1 / S3
- 202. Multiple Choice
Given that x varies directly as the square root of y and x = 15 when y = 9. Calculate the value of y when x = 30.
A. 36
B. 25
C. 18
D. 5
- 203. Multiple Choice
A type of variation that involves 3 or more quantities that may vary directly.
Direct Variation
Inverse Variation
Joint Variation
Combined Variation
- 204. Multiple Choice
This type of variation states that the two quantities increase at the same time or decrease at the same time.
Direct Variation
Inverse Variation
Joint Variation
Combined Variation
- 205. Multiple Choice
The cost c varies directly as the number of n pencils is written as
c = kn
k = cn
n = k/c
c = k/n
- 206. Multiple Choice
The speed r of a moving object is inversely proportional to the time t travelled is written as
r = kt
r = k/t
t = kr
t = r/k
- 207. Multiple Choice
Which of the following types of variation states that the decrease of one quantity results to the increase of the other quantity?
Direct Variation
Inverse Variaton
Joint Variation
Combined Variation
- 208. Multiple Choice
If y varies directly as x and y = 24, when x = 3, then what is the value of k?
4
6
8
72
- 209. Multiple Choice
Which of the following phrases illustrate an inverse variation?
The area of the wall to the amount of paint used to cover it
The amount of money raised in a concert to the number of tickets sold
The time a teacher spends in checking papers to the number of students
The age of a used car to its resale value
- 210. Multiple Choice
If s varies directly as t and inversely as v, then which of the following equations describes the relation among the three variables s, t, and v?
s = k / tv
s = kv / t
1/s = kt/ v
s = kt / v
- 211. Multiple Choice
Which of the following is the graph of a direct square variation?
Straight Line
Quadratic Curve
Broken Line
Hyperbola
- 212. Multiple Choice
This is a variation where one quantity varies directly to other quantity and inversely to the other quantity.
Direct Variation
Inverse Variation
Joint Variaiton
Combined Variation
- 213. Multiple ChoiceThe number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person whose mass is 75 kg?50 kg water72 kg water94 kg water150 kg water
- 214. Multiple Choice
Find the unit rate:
N3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?N1.00 per poundN3.60 per poundN1.20 per poundN1.10 per pound - 215. Multiple Choice
Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns
N187.15, what should she earn if she worked 40 hours?N394N440N472.80N512.20 - 216. Multiple Choice
A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is
N123.00 for 20 hours of work. Find the amount of pay for 31 hours of work.N3813N620N190.65N4.96 - 217. Multiple ChoiceA dishwasher uses 65 gallons of water to wash 5 loads of dishes. How many gallons of water would be used to wash 12 loads?60 gallons780 gallons156 gallons12/13 gallons
- 218. Multiple ChoiceIn a direct variation, y = 39 when x = 3.
Find the value of y when x = 2.26358.52 - 219. Multiple ChoiceWhat does the Direct Variation Equation look like?Y= kxy = mx + by = by = x
- 220. Multiple ChoiceIf y vaires directly with x and y= 12 when x= 15. What is the value of x when y= 16?12.82011.2519
- 221. Multiple ChoiceIn a direct variation, y=39 when x=3. Find the value of y when x=2.26358.52
- 222. Multiple Choice
If y varies jointly with the product of x and z, and y = 105 when x = 5 and z = 7, find y when x = 9 and z = 10.
270
180
360
255
- 223. Multiple Choice
If y varies jointly with the product of x and z, and y = 1000 when x = 10 and z = 20, find y when x = 8 and z = 10.
100
200
300
400
- 224. Multiple Choice
The variable x is in joint variation with y and z. When the values of y and z are 4 and 6, x is 16. What is the value of x when y = 8 and z =12?
32
64
48
96
- 225. Multiple Choice
A is in joint variation with B and square of C. When A = 144, B = 4 and C = 3. Then what is the value of A when B = 6 and C = 4?
12
24
36
48
- 226. Multiple Choice
If a varies jointly as b and the square root of c, and a = 21 when b = 5 and c = 36, find a when b = 9 and c = 225.
126
196
256
289
- 227. Multiple Choice
z varies jointly with x and y. If x = 2, y = 3 and z = 4, find z when x = -6 and y = 2.
-6
-8
-10
-12
- 228. Multiple Choice
z varies jointly with x and y. If x = 5, y = -1, and z = 10. Find z when x = -1/2 and y = 7.
5
6
7
8
- 229. Multiple Choice
z varies jointly with x and y. If x = 7, y = 3 and z = -14, find y when z = -8 and x = 3.
3
4
5
6
- 230. Multiple Choice
z varies jointly with x and y. If x = 8, y = -3 and z = -6, find x when z = 12 and y = -16.
-3
-4
-6
-9
- 231. Multiple Choice
The equation for a Joint Variation is represented as:
y = kx
y = k/x
y = kxz
y = kx/z
- 232. Multiple ChoiceY varies directly with x, and y is 84 when x is 16. Which equation represents this situation?y=1344xy=100xy=5.25xy=4/21x
- 233. Multiple Choiceif y is directly proportional to x, y is 10 when x is 3. What is the value of y when x is 5?16 2/31.5612
- 234. Multiple ChoiceWhat ordered pair does a direct variation always go through when graphed?(0, 0)(1, 0)(0, 1)(1, 1)
- 235. Multiple Choicey varies directly with x, and y is 16 when x is 32. Which equation represents this situation?y=32xy=16xy=2xy=(1/2)x
- 236. Multiple ChoiceIs this a direct variation?yesno
- 237. Multiple ChoiceIs this a direct variation?yesno
- 238. Multiple ChoiceWhich graph shows a proportional relationship between x and y?ABCD
- 239. Multiple ChoiceIf y =4 when x = -4, find y when x =7.y= x, 7y= -x; 7y = -x; -7y= x; -7
- 240. Multiple ChoiceWhat does the Direct Variation Equation look like?Y= kxy = mx + by = by = x
- 241. Multiple ChoiceEduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the equation of variation?y = 10xy = 2xy = 5xy = 1/5x
- 242. Multiple ChoiceIf y vaires directly with x and y= 12 when x= 15. What is the value of x when y= 16?12.82011.2519
- 243. Multiple ChoiceA map of Texas is scaled so that 3 inches represents 90 miles. How far apart are Pecos and Fort Stockton if they are 1.8 inches apart on the map?54 miles15 miles30 miles50 miles
- 244. Multiple ChoiceIn a direct variation, y=39 when x=3. Find the value of y when x=2.26358.52
- 245. Multiple ChoiceEduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the equation of variation?y = 10xy = 2xy = 5xy = 1/5x
- 246. Multiple ChoiceEduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. If he counted four seconds between the next flash of lightning and thunder, about how far away was the lightning?40 miles4/5 miles8 miles20 miles
- 247. Multiple ChoiceA person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the equation of variation?y = 123xy = 20xy = 6.15xy = 0.16x
- 248. Multiple ChoiceAt top speed, a rabbit can cover 7 miles in 12 minutes. What is the constant of variation?k = 7k = 12k = 12/7k = 7/12
- 249. Multiple ChoiceAt top speed, a rabbit can cover 7 miles in 12 minutes. What is the equation of variation?y = 7xy = 12xy = 12/7xy = 7/12x
- 250. Multiple ChoiceAt top speed, a rabbit can cover 7 miles in 12 minutes. If a rabbit could continue at this rate indefinitely, how long would it take the rabbit to cross the 220-mile expanse of the Mojave Desert?31.4 minutes18.3 minutes377.1 minutes128.1 minutes
- 251. Multiple ChoiceA dishwasher uses 65 gallons of water to wash 5 loads of dishes. How many gallons of water would be used to wash 12 loads?60 gallons780 gallons156 gallons12/13 gallons
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