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1. |
Which graph matches the following statement? The outside temperature rises steadily to 85° at 3 p.m., then drops steadily to 65° at 8 p.m.. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
Evaluate  when a = 5 and b = 20. |
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A. |
25 |
B. |
5 |
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C. |
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D. |
-5 |
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Hint |
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3. |
Write an equation for the following sentence. Two-thirds of a number is 24. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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4. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? |
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A. |
100 |
B. |
97 |
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C. |
80 |
D. |
93 |
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Hint |
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5. |
Solve  for g. |
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A. |
g =  |
B. |
1 |
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C. |
g =  |
D. |
g =  |
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Hint |
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6. |
Which pair of ratios forms a proportion? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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7. |
If y varies directly as x and y = 35 when x = 5, find y when x = 11. |
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A. |
7 |
B. |
77 |
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C. |
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D. |
41 |
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Hint |
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8. |
Which ordered pair is a solution for x + 3y = -7? |
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A. |
(0, 7) |
B. |
(4, 1) |
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C. |
(-4, -1) |
D. |
(-1, -4) |
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Hint |
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9. |
Graph y + 2 = 7. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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10. |
If h(z) = 2z2 - 5z + 7, find h(3c). |
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A. |
18c2 - 3c + 7 |
B. |
9c2 - 15c + 7 |
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C. |
18c2 - 15c + 7 |
D. |
c + 7 |
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Hint |
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11. |
Which line has a slope of  and passes through (2, -4)? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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12. |
The sum of three times a number and 12 is at least -3 and at most 15. Find the solution set for this number. |
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A. |
{x | -5 < x < 1} |
B. |
{x | x < -5 or x > 1} |
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C. |
{x | -5 < x < 1} |
D. |
{x | -5 < x < 1} |
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Hint |
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13. |
Find the solution of 2(x – 5) = 30
if the replacement set is {19, 20, 21, 22}. |
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A. |
20 |
B. |
19 |
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C. |
21 |
D. |
22 |
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Hint |
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14. |
Which values are a counterexample to the given statement?
If x + y = an even number, then x is even and y is even. |
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A. |
x = 7, y = 12 |
B. |
x = 21, y = 3 |
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C. |
x = 12, y = 6 |
D. |
x = 10, y = 9 |
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Hint |
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15. |
A counterexample disproves a conditional when ________ . |
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A. |
the hypothesis is true and the conclusion is false |
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B. |
the hypothesis is false and the conclusion is false |
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C. |
the hypothesis is true and the conclusion is true |
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D. |
the hypothesis is false and there is no valid conclusion |
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Hint |
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16. |
Solve 42 + w = -27. |
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A. |
w = -69 |
B. |
w = -15 |
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C. |
w = 69 |
D. |
w = 15 |
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Hint |
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17. |
Solve 5t + u + v = 3 for t. |
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A. |
t = 15 – u – v |
B. |
t = -2 – u – v |
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C. |
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D. |
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Hint |
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18. |
Solve y = 7x – 7 if the domain is {-2, -1, 0, 1}. |
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A. |
{-28, -14, 14, 28} |
B. |
{-19, -13, -7, -1} |
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C. |
{7, 14, 21, 28} |
D. |
{-21, -14, -7, 0} |
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Hint |
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19. |
Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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20. |
Which relationship would most likely have no correlation? |
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A. |
The number of pizzas ordered, and the total price of the bill. |
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B. |
The number of miles driven, and the number of gallons of gas in the car. |
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C. |
A person's height and the person's shoe size. |
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D. |
A person's age, and the address of the person. |
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Hint |
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