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20 questions
Bill's new porch is rectangular, with an area of 50 square feet. If the length of the porch is two times the width, what is the perimeter of the porch
30 feet
40 feet
50 feet
60 feet
What is the probability of selecting a male from a group of 4 males and 8 females?
1/3
1/2
2/3
4/5
Solve for x:
3(x+1) = 5(x-2)+7
-2
2
1/2
3
Line I passes through the point (-1, 2). Which of the following CANNOT be the equation of line I?
y = 1 - x
y = x + 1
x = -1
y = x + 3
Diego's current age is five time Martina's age ten years ago. If Martina is currently m years old, what is Diego's current age in terms of m?
5m
5m - 10
5m - 50
5m + (m - 10)
If 2x + 5 = 8x, then 12x = ?
5
10
15
20
An airline asked it agents to assign convenience ratings on a scale of 1-7 to 114 flights leaving one of its hub cities. The histogram below shows the distribution of the ratings of the 114 flights. What is the median rating assigned by the agents?
3
4
5
6
√2x = 4
1
4
8
16
The market price of a house is directly proportional to the total area of the house in square feet. If the price of a 1,500 square foot home is $300,000 what is the price of a 2,000 square foot home?
$350,000
$400,000
$450,000
$500,000
Find the x-intercept of a line that has the following equation:
2y = 3x - 6
-2
-1
1
2
There are 80 students in a school. Every student is taking either algebra or pre-calculus, and some students are taking both. There are 60 students in the algebra class. If 15 students are taking both algebra and pre-calculus, what is the probability that a randomly selected student is taking pre-calculus but not algebra.
1/4
1/3
3/8
3/4
What is the value of x in the following equation:
3
4
5
6
What are the solutions to x2+8x+15 = 0 ?
(2, 3)
(3, 5)
(-2, -3)
(-3, -5)
√5√3 = ?
√2
√8
√15
8
Joe's department store sells pens for 60 cents each and pencils for 40 cents each. Diane purchased a total of 17 items (pens and pencils) for $8.20. How many pens did Diane purchase?
5
7
10
12
A scoutmaster is preparing his troop for their annual fishing expedition. He surveys each of his scouts to find out how many fishing poles they own. What is the mode of the number of poles owned?
0
1
2
3
Simplify: (x6)(x5)
2x11
2x30
x11
x30
The points represented by the (x, y) coordinate pairs in the table above all lie on the line k.
What is the slope of line k?
-2
-3
2
5
x4-16 = ?
(x + 2)(x - 2)(x2 + 4)
(x + 2)2(x - 2)2
(x + 2)3(x - 2)1
(x - 2)4
What is the maximum value of this function:
f(x) = -16x2 + 32x + 20
32
34
36
40
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