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1. |
Find the value of  |
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A. |
-56 |
B. |
14 |
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C. |
-14 |
D. |
5 |
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Hint |
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2. |
An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach? |
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A. |
19 ft |
B. |
12 ft |
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C. |
17.0 ft |
D. |
17.8 ft |
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Hint |
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3. |
Simplify 3(2a + b) + 6(a - 2b). |
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A. |
12a + b |
B. |
12a + 15b |
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C. |
12a + 9b |
D. |
12a - 9b |
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Hint |
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4. |
Write an algebraic expression to represent ''the sum of 6 and three times a number squared.'' |
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A. |
6 + 3x2 |
B. |
6(3x)2 |
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C. |
6 + 3x |
D. |
6(3x) |
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Hint |
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5. |
Solve 18 + a = 36. |
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A. |
18 |
B. |
-2 |
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C. |
-18 |
D. |
54 |
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Hint |
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6. |
Solve 7(2k + 4) - (3k + 1) = 49. |
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A. |
1 |
B. |
2 |
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C. |
4 |
D. |
1.8 |
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Hint |
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7. |
The formula for the area of a trapezoid is  Solve the formula for h. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Solve |t - 16| = 20. |
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A. |
{-4, -36} |
B. |
{4, 36} |
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C. |
{-4, 36} |
D. |
{4, -36} |
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Hint |
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9. |
Graph the solution set of |3y + 9| > 12. |
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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. |
Which function is not linear? |
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A. |
f(x) = 14x + 7 |
B. |
f(x) = 2x3 |
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C. |
f(x) = 8 |
D. |
 |
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Hint |
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11. |
Choose the scatter plot that has a prediction equation with a negative slope. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
The scatter plot below shows the women's winning marathon times and the high temperatures on the marathon days. Which prediction equation best shows how marathon times and temperature are related? |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
A best-fit line is drawn on a scatter plot showing the average daily temperature and the number of people at a public swimming pool. The slope of the line would probably be ________ |
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A. |
positive. |
B. |
zero. |
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C. |
undefined. |
D. |
negative. |
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Hint |
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14. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
9 |
B. |
9.8 |
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C. |
8 |
D. |
10 |
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Hint |
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15. |
Choose the line whose slope is undefined. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Identify the multiplicative inverse of 2.5. |
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A. |
0.4 |
B. |
0.25 |
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C. |
5.2 |
D. |
0.5 |
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Hint |
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17. |
Consider the function f (x) = -2(x + 8). Is this function a linear function? Why or why not? |
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A. |
Yes, the function can be written in the form f (x) = mx + b. |
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B. |
No, the function cannot be written in the form f (x) = mx + b. |
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C. |
Yes, the coefficient of x is not zero. |
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D. |
No, f is not a function. |
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Hint |
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18. |
What is the slope of the line with equation  |
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A. |
 |
B. |
-7 |
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C. |
 |
D. |
7 |
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Hint |
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19. |
The table shows the average heights (in centimeters) of females ages 1-14. If this trend continues, about how tall will an average fifteen-year-old female be? |
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A. |
163.7 cm |
B. |
160.3 cm |
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C. |
168.5 cm |
D. |
156.9 cm |
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Hint |
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20. |
What type of function is shown in the graph? |
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 |
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A. |
step function |
B. |
absolute value function |
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C. |
constant function |
D. |
piecewise function |
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Hint |
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