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9th

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PEARLS GARDEN

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251 questions

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- 1. Multiple Choice20 seconds1 pt
I don’t know 😓

- 2. Multiple Choice20 seconds1 pt
I don’t know 😓

- 3. Multiple Choice20 seconds1 pt
I don’t know 😓

- 4. Multiple Choice20 seconds1 pt
I don’t know 😓

- 5. Multiple Choice20 seconds1 pt
I don’t know 😓

- 6. Multiple Choice20 seconds1 pt
I don’t know 😓

- 7. Multiple Choice20 seconds1 pt
I don’t know 😓

- 8. Multiple Choice20 seconds1 pt
I don’t know 😓

- 9. Multiple Choice20 seconds1 pt
I don’t know 😓

- 10. Multiple Choice20 seconds1 pt
I don’t know 😓

- 11. Multiple Choice20 seconds1 ptSolve the equation

3x = 27.x = 24x = 81x = 9x = 3 - 12. Multiple Choice20 seconds1 pt
In the equation 4c + 8 = 14, c is the ______________.

constant

coefficient

calculation

variable

- 13. Multiple Choice20 seconds1 pt
5x - 2x =

3 - x

3x

x + 3

3 - x

I'm not sure

- 14. Multiple Choice20 seconds1 pt
How many terms in the following expression:

5x + 3y - 15 + x

1

2

3

4

I'm not sure

- 15. Multiple Choice20 seconds1 pt
Simplify

3x + 2x + 3y - 7y

5x + 10y

5x + 4y

5x - 4y

5x -10y

I'm not sure

- 16. Multiple Choice20 seconds1 pt
If a = 4 and b = 6, what is the value of 3a + 5b?

40

42

44

46

I'm not sure

- 17. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 pt
Expand (x+9)(x-9)

x

^{2}-18x-81x

^{2}-81x

^{2}+81x

^{2}+18x-81I'm not sure

- 19. Multiple Choice20 seconds1 pt
3x - 5 = -26

x=-21

x=21

x=-7

x=61

I'm not sure

- 20. Multiple Choice20 seconds1 pt
Solve for x:

4x + 1 = 7x - 5

-1

2

6/11

8

I'm not sure

- 21. Multiple Choice20 seconds1 ptExpand and simplify 4(x + 2) + 3(x + 5)7x + 237x + 7
7x + 15

7x - 22. Multiple Choice20 seconds1 ptFactorise 4x + 82(x + 4)4(x + 2)4x(x + 2)12x
- 23. Multiple Choice20 seconds1 ptWhat is the highest factor or 12 and 16?121624
- 24. Multiple Choice20 seconds1 ptExpand -2(x-2)-2x+42x-4-2x-42x-2
- 25. Multiple Choice20 seconds1 ptExpand and Simplify 3(x+4)+13x+133x+73x+113x+15
- 26. Multiple Choice20 seconds1 ptExpand and Simplify 2(x+2)-2(x+3)24x+8-24x-6
- 27. Multiple Choice20 seconds1 ptExpand and Simplify 4(x+2)-3(x+1)x+37x+1x+55x+11
- 28. Multiple Choice20 seconds1 ptExpand and Simplify 4(3x+1)-(x+5)11x+17x+1311x-113x+1
- 29. Multiple Choice20 seconds1 pt
6w - 6w + 6w + 9w

w

15w

9w

6w

- 30. Multiple Choice20 seconds1 ptSimplify the expression: 7v + 2 + 12 + 2v2323v9 + 14v9v + 14
- 31. Multiple Choice20 seconds1 ptw + w + w could be simplified as?3w3w0
- 32. Multiple Choice20 seconds1 pt−x
^{2}+2−1+6x^{2}−4x^{2}x^{2}-1x^{2}+13x^{2}+1x^{2}+3 - 33. Multiple Choice20 seconds1 pt4a + 9 + a5a + 914a3a + 95a - 9
- 34. Multiple Choice20 seconds1 ptSimplify 6(x + -2)6x + -26x + -124x6x - 2
- 35. Multiple Choice20 seconds1 ptSimplify the expression: 7+3(1 - 2x)21 - 6x10 - 2x10 - 20x10 - 6x
- 36. Multiple Choice20 seconds1 pt-12n - (-13n)-25n25nn-n
- 37. Multiple Choice20 seconds1 ptSimplify the expression:

6 + 2(7x - 3)12 + 7x14x14x + 39 + 7x - 38. Multiple Choice20 seconds1 pt
(x - 5)(x + 3)(x + 2)

x

^{3}- 5x^{2}+ 11x - 30x

^{3}+ 6x^{2}+ 30x

^{3}+-19x - 30x

^{3}+ 6x^{2}- 30 - 39. Multiple Choice20 seconds1 pt(3x+2)(2x +3)6x
^{2 }+ 6x + 65x^{2}+ 11x + 66x^{2}+ 13x + 66x^{2 }+ 13x + 5 - 40. Multiple Choice20 seconds1 ptExpand (x + 5)(x - 3)x
^{2}- 15x^{2}+ 2xx^{2}+ 15x - 15x^{2}+ 2x - 15 - 41. Multiple Choice20 seconds1 ptFactorise: 4x
^{2}+ 8x4x(x+2)4(x^{2}+2x)2x(2x+4)2(2x^{2}+4) - 42. Multiple Choice20 seconds1 ptWhich of the following is the correct expansion of:

3p(4p - 7q)?7p - 10pq12pq - 21q^{2}9q12p^{2}- 21pq - 43. Multiple Choice20 seconds1 ptExpand 4(x+2)4x+44x+24x+84x+6
- 44. Multiple Choice20 seconds1 pt
Which is a linear equation?

- 45. Multiple Choice20 seconds1 pt
Which is a linear equation?

- 46. Multiple Choice20 seconds1 pt
Which is a linear equation?

- 47. Multiple Choice20 seconds1 pt
Which is a linear equation?

- 48. Multiple Choice20 seconds1 pt
Which is not a linear equation?

3x+7y

- 49. Multiple Choice20 seconds1 pt
Which is a linear equation?

- 50. Multiple Choice20 seconds1 pt
Which is a linear equation? Check all that apply.

- 51. Multiple Choice20 seconds1 pt13uv - 8 + vu + 7A) 12uv - 15B) 5uv + vu + 7C) 13uv - 1 + vuD) 14uv - 1
- 52. Multiple Choice20 seconds1 pt- 9 - rs + 9rs + 9A) 8rsB) 18 + 8rsC) 10rsD) - 18 - 8rs
- 53. Multiple Choice20 seconds1 pt20stu - 8u - 12uts - 3 + uA) 8stu - 7u - 3B) 8stu - 9u - 3C) 20stu - 7u - 12uts - 3D) 20uts - 9u - 12uts - 3
- 54. Multiple Choice20 seconds1 pt
7+7×7−7∕ 7×(7+7)

42

7

14

none of these

- 55. Multiple Choice20 seconds1 pt
3

^{7}+3^{7}+3^{7}=⋅⋅⋅⋅⋅⋅⋅9

^{7}3

^{21}3

^{8}27

^{7} - 56. Multiple Choice20 seconds1 pt
IF(x-y)=3 & (x

^{2}-y^{2})=15,THEN(x+y)=......10

5

45

20

- 57. Multiple Choice20 seconds1 pt
3 + 2

^{3}- 88

1

3

-3

- 58. Multiple Choice20 seconds1 pt
-3(x - 3) + 6(x + 1)

3x + 6

3x + 4

-3x + 16

3x + 15

- 59. Multiple Choice20 seconds1 pt
4a + 8 = -20

-6

-7

3

-3

- 60. Multiple Choice20 seconds1 pt
8(x - 1) = 4(x + 4) - 2x

2

6

-2

4

- 61. Multiple Choice20 seconds1 pt
35 is 29% of what?

10.2

1015

120.7

1.2

- 62. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 pt
(4x

^{9})(5x^{-5})20x

^{-45}9x

^{4}9x

^{-4}20x

^{4} - 64. Multiple Choice20 seconds1 pt
(3x

^{2}- 5x + 7) - (2x^{2}+ 9x - 1)x

^{2}- 4x + 65x

^{2}- 4x + 8x

^{2}- 14x + 8x

^{2}+ 4x + 6 - 65. Multiple Choice20 seconds1 pt
(5a - 4)(3a - 7)

15a

^{2}- 23a - 2815a

^{2}- 47a + 2815a

^{2}+ 47a - 2815a

^{2}- 23a + 28 - 66. Multiple Choice20 seconds1 pt
5.33

39

4

3

- 67. Multiple Choice20 seconds1 pt
Solve the following equation for w

5w + 5 = -90

19

-19

17

-17

- 68. Multiple Choice20 seconds1 pt
Solve for k

-20 = k - 2 + 8k

-2

2

-3

3

- 69. Multiple Choice20 seconds1 pt
Solve for z

2(z + 4) = 20

14

13

7

6

- 70. Multiple Choice20 seconds1 pt
Solve for p

4(p - 2) = 2(p + 5)

1

6

8

9

- 71. Multiple Choice20 seconds1 pt
Solve for x

-130 = -5(4x + 2)

7

6

-6

-7

- 72. Multiple Choice20 seconds1 pt
Solve for v

4(8v - 8) = 192

7

5

-5

-7

- 73. Multiple Choice20 seconds1 pt
Solve for b

-108 = -b - 8(1 + 3b)

-5

4

-4

5

- 74. Multiple Choice20 seconds1 pt
Solve for x

6(x + 2) = 6 + 3x

6

-6

2

-2

- 75. Multiple Choice20 seconds1 pt
Solve for m

-7 + 7m = 1 + 6m

-6

8

-8

6

- 76. Multiple Choice20 seconds1 pt
Simplify by combining like terms:

5a + 2b - 3a + 4

8a + 2b + 4

2a + 2b + 4

8ab

4ab + 4

- 77. Multiple Choice20 seconds1 pt
Simplify d + d + d + d =

d

^{4}4d

d4

4 + d

- 78. Multiple Choice20 seconds1 pt
- 79. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 ptSolve the Simultaneous Equations: x+y=5; x-y=1x=2, y=3x=3, y=2x=3, y=-2x=-3, y=2
- 81. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 pt
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 Choice20 seconds1 pt
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

~~N~~134. After those ran out, Cinderella spent~~N~~120 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 Choice20 seconds1 ptA 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 Choice20 seconds1 pt
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 Choice20 seconds1 ptIn a cup are the numbers 1 - 20. Find the theoretical probability of

picking an even number.10/201/21/2020/20 - 87. Multiple Choice20 seconds1 ptIn 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 Choice20 seconds1 ptFind the theoretical probability of NOT landing on yellow if you spin the spinner.1/87/817
- 89. Multiple Choice20 seconds1 ptThe probability of it raining today is 30%. What is the probability that it will NOT rain?30%70%100%0%
- 90. Multiple Choice20 seconds1 ptA set of all possible outcomes is known as -a lista complementa sample spacean event
- 91. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 ptA 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 Choice20 seconds1 ptWhat is the probability of choosing a vowel from the alphabet?21/265/261/217/21
- 94. Multiple Choice20 seconds1 ptTheoretical Probability is?What Should happenWhat does happenWhat Will HappenWhat I want to Happen
- 95. Multiple Choice20 seconds1 ptWhat is the probability of rolling 15 with a pair of dice?impossibleunlikelyequally likelylikely
- 96. Multiple Choice20 seconds1 ptThe two rectangles are scale drawings. What is the measurement of x?211.25204
- 97. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 pt
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 Choice20 seconds1 ptScale: 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 Choice20 seconds1 ptIf the scale factor is greater than one, the new figure will bea reductionan enlargementa scalenot proportional
- 101. Multiple Choice20 seconds1 ptIf the scale factor is less than one, the new figure will bean enlargementa reductiona scale factorbigger
- 102. Multiple Choice20 seconds1 ptWhat is the scale factor from ΔDEF to ΔABC?1/27/3210/3
- 103. Multiple Choice20 seconds1 ptJamie 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 Choice20 seconds1 pt0.250.521/2
- 105. Multiple Choice20 seconds1 pt
What is the scale factor from the small fry to the large fry?

1/3

48

4

3

- 106. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 pt
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 cm

^{2}8.75 cm. X 12.5 cm.

42.5 cm.

There is not enough information.

- 108. Multiple Choice20 seconds1 ptSolve the proportion:481410
- 109. Multiple Choice20 seconds1 pt
Solve for the following proportion using cross multiplication

b=2

b=5

b=10

b=6

- 110. Multiple Choice20 seconds1 ptFind the height of the tree.8 ft12 ft13 ft15 ft
- 111. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 pt
What is 10% of

~~N~~250~~N~~2.50~~N~~25~~N~~250~~N~~2500 - 113. Multiple Choice20 seconds1 ptWhat is 25% of 2 hours?45 minutes30 minutes0.3 hours0.5 minutes
- 114. Multiple Choice20 seconds1 ptConvert 0.81 to a percent0.81%0.18%8.1%81%
- 115. Multiple Choice20 seconds1 ptWhat fraction is equivalent to 25%?1/31/41/51/8
- 116. Multiple Choice20 seconds1 ptConvert this decimal to a percentage 0.17517.5%1750%175%1.75%
- 117. Multiple Choice20 seconds1 pt
Susie got a raise. She was making

~~N~~8.75 an hour. Now she is making~~N~~9.50. What is the percent of change?6% Increase7% Increase8% Increase9% Increase - 118. Multiple Choice20 seconds1 pt
A Sweet Sensation's cheeseburger cost

~~N~~0.79 in 1999. Today a cheeseburger costs~~N~~1.00. What is the percent change?21% increase

26.58% increase

26.58% decrease

21% decrease

- 119. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 ptchange .451 to a percent451%.451%.00451%45.1%
- 121. Multiple Choice20 seconds1 pt
Find the percentage change in the following price increase:

~~N~~650 to~~N~~72812%

88%

18%

82%

- 122. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 pt
Original:

~~N~~350New:

~~N~~40014% increase

25% increase

50% increase

.14% increase

- 124. Multiple Choice20 seconds1 pt
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 Choice20 seconds1 ptSolve the proportion.q=2q=9q=4.5q=6
- 126. Multiple Choice20 seconds1 pt
What is 84% of 175?

208.3

48

147

84

- 127. Multiple Choice20 seconds1 ptA 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 Choice20 seconds1 pt
Ryan Transfers 15% of his pay into saving. If he makes

~~N~~1850 per month , how much will he save in a YEAR?~~N~~22,200~~N~~277.50~~N~~3330~~N~~1480 - 129. Multiple Choice20 seconds1 pt
MacDaniel sells cars and earns 4% commission on his sales. This month he sold

~~N~~47,995 worth of cars. What is his commission for the month?~~N~~1,919.80~~N~~11,998.75~~N~~28,797~~N~~9,198.00 - 130. Multiple Choice20 seconds1 ptWrite 57% as a decimal.5.70.057570.57
- 131. Multiple Choice20 seconds1 ptWhat is 5/10 in percent form?0.5050%1/25.0
- 132. Multiple Choice20 seconds1 ptWhat is the percent?20 %60%80%.60%
- 133. Multiple Choice20 seconds1 ptWrite 0.39 as a percent.393.9%39%.0039%
- 134. Multiple Choice20 seconds1 pt
What percent of 15 is 3?

30%

50%

40%

20%

- 135. Multiple Choice20 seconds1 pt
What number is 40% of 40?

14

16

18

40

- 136. Multiple Choice20 seconds1 ptWhat fraction is equivalent to 25%?1/31/41/51/8
- 137. Multiple Choice20 seconds1 ptWhat is 1/8 as a percent?125%12.5%1.25%0.125%
- 138. Multiple Choice20 seconds1 pt
What is 30% of 1200?

300

100

120

360

- 139. Multiple Choice20 seconds1 pt
24 is what percent of 240?

15%

5%

10%

1%

- 140. Multiple Choice20 seconds1 pt
What is the number which 20% of it is 700?

3500

350

35

3.5

- 141. Multiple Choice20 seconds1 pt
Mr. Royal takes his family out to eat and the meal costs

~~N~~35 before tip. How much would the meal cost including tip if he leaves a 15% tip?~~N~~38.25~~N~~39.25~~N~~40.25~~N~~5.25 - 142. Multiple Choice20 seconds1 ptWhat fraction is equivalent to 25%?1/31/41/51/8
- 143. Multiple Choice20 seconds1 ptWhat is 1/8 as a percent?125%12.5%1.25%0.125%
- 144. Multiple Choice20 seconds1 pt
How much tax would you pay on a new TV that is

~~N~~899 at Best Buy, if the tax rate is 6.5%?~~N~~957.44~~N~~841~~N~~58.43 - 145. Multiple Choice20 seconds1 ptA 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 Choice20 seconds1 ptThe 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 Choice20 seconds1 pt
Find each percent decrease. Round to the nearest percent. From

~~N~~80 to~~N~~6435%10%20%25% - 148. Multiple Choice20 seconds1 ptMrs. 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 Choice20 seconds1 pt
How much tax would you pay on a new TV that is

~~N~~899 at Best Buy, if the tax rate is 6.5%?~~N~~957.44~~N~~841~~N~~58.43 - 150. Multiple Choice20 seconds1 pt
An original price increases 15% to

~~N~~48.00. What is the original price?~~N~~55.20~~N~~41.74~~N~~40.80~~N~~7.20 - 151. Multiple Choice20 seconds1 ptThe 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 Choice20 seconds1 ptThe 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 Choice20 seconds1 ptWhich of the following expressions is equivalent to x
^{2}– 4y^{2}?(x + 2)(x – 2)(x – 2y)^{2}(x + 2y)(x – 2y)(x + 2y)^{2} - 154. Multiple Choice20 seconds1 ptFactor

4b^{5}+4b^{3}+16b^{2}4b^{3}(b^{4}+b^{2}+4b)4b^{3}(b^{4}+4b+5)4(b^{5}+b^{3}+4b^{2})4b^{2}(b^{3}+b+4) - 155. Multiple Choice20 seconds1 ptFactor

k^{2}+7x+10(k+2)(k+5)(k-2)(k-5)(k+10)(k+4)(k+2)(k-5) - 156. Multiple Choice20 seconds1 ptFactor

3v^{2}- 4v - 7(3v-7)(v+1)3(v-7)(v-1)(3v+1)(v-9)(3v+1)(v-10) - 157. Multiple Choice20 seconds1 ptThe factorization of (x
^{3}- 25 x) is ______x (x - 5)^{2}x (x + 5)^{2}x (x + 5) (x - 5)None of these - 158. Multiple Choice20 seconds1 ptChoose the correct answer:

The factors of a^{4}- b^{4}is _____(a^{2}+ b^{2}) (a + b) (a - b)(a^{2}+ b^{2}) (a^{2}+ b^{2})(a^{2}- b^{2}) (a^{2}- b^{2})None of these - 159. Multiple Choice20 seconds1 ptChoose the correct answer:

a^{2}+ bc + ab + ac = ______(a + b) (a + c)(a + b) (b + c)(a + c) (b + c)a (a + b + c) - 160. Multiple Choice20 seconds1 pt(x + 1) (x + 1) is a factor of ____x
^{2}+ 2x + 1x^{2}- 2x + 1x^{2}- 1 + 2xx^{2}+ 1 - 2x - 161. Multiple Choice20 seconds1 pt
3 , 4

3 , -4

2 , 6

2 , -6

- 162. Multiple Choice20 seconds1 pt
- 163. Multiple Choice20 seconds1 ptFactorise 3x²+12x3x(x+4)3(x²+4)
- 164. Multiple Choice20 seconds1 ptDifference of squares

Factor x^{2}-16(x-4)(x+4)(x-4)(x-4)(x+4)(x+4)(x+4){x-(-4)} - 165. Multiple Choice20 seconds1 ptFactorise 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 Choice20 seconds1 pt
Expand (y+1)(y-2).

y

^{2}-2y-2y

^{2}-y-2y

^{2}+y-2y

^{2}+2y-2 - 167. Multiple Choice20 seconds1 pt
Factorise ab+bc+pq+pr.

a(b+c) + p(q+r)