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1. |
An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach? |
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A. |
17.0 ft |
B. |
17.8 ft |
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C. |
19 ft |
D. |
12 ft |
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Hint |
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2. |
Which statement is true about the graph shown below? |
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A. |
The relation is a function. |
B. |
The range is {-3, -2, 0, 1}. |
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C. |
The domain is {-3, 2, 4}. |
D. |
The relation is not a function. |
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Hint |
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3. |
Choose the relation that is a function. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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4. |
Determine which equation represents a function. |
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A. |
x = 4 |
B. |
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C. |
y = -2x + 1 |
D. |
x = y2 - 1 |
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Hint |
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5. |
Which function is not linear? |
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A. |
 |
B. |
f(x) = 14x + 7 |
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C. |
f(x) = 8 |
D. |
f(x) = 2x3 |
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Hint |
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6. |
Choose the line whose slope is undefined. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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7. |
Evaluate if a = 2, b = 4, and c = -1. |
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A. |
7 |
B. |
-14 |
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C. |
2.4 |
D. |
1 |
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Hint |
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8. |
Name the sets of numbers to which belongs. |
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A. |
Integers, Rationals, and Reals |
B. |
Rationals and Reals |
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C. |
Irrationals and Reals |
D. |
Naturals, Wholes, Integers, Rationals, and Reals |
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Hint |
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9. |
Simplify the expression 8 (a + 2b) – 7b + 6 (3a – b). |
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A. |
152a – 88b |
B. |
26a – 6b |
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C. |
4a – 6b |
D. |
26a + 3b |
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Hint |
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10. |
Solve the equation x – 82 = 143 |
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A. |
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B. |
-61 |
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C. |
61 |
D. |
225 |
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Hint |
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11. |
Solve the equation 3y + 8 = 36. |
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A. |
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B. |
4 |
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C. |
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D. |
20 |
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Hint |
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12. |
Solve | x + 5 | - 3 = -1. |
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A. |
{-7, -3} |
B. |
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C. |
{-5, 2} |
D. |
{3, 7} |
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Hint |
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13. |
Solve the equation | 4k + 6 | = 5k + 3. |
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A. |
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B. |
{-1, 3} |
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C. |
-1 |
D. |
3 |
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Hint |
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14. |
Solve  |
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A. |
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B. |
{y | y 21} |
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C. |
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D. |
{y | y < 21} |
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Hint |
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15. |
If Molly's car gets 24 miles for each gallon of gasoline, and she has 8 gallons of gasoline in her tank, how far can she drive before having to stop and get gas? |
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A. |
192 miles |
B. |
3 miles |
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C. |
96 miles |
D. |
24 miles |
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Hint |
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16. |
Solve the inequality –13 < -5x – 3 < 17. |
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A. |
{x | 2 < x < -4} |
B. |
{x | 4 > x > -2} |
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C. |
{x | -2 < x < 4} |
D. |
{x | -4 < x < 2} |
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Hint |
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17. |
When finding the equation for a line of fit for a scatter plot, you should use __________. |
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A. |
all of the points on the plot |
B. |
the first and last points on the plot, with respect to the horizontal |
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C. |
the point most characteristic of the scatter plot |
D. |
two points that you think represent the data well |
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Hint |
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18. |
What type of function is shown in the graph? |
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A. |
step function |
B. |
constant function |
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C. |
absolute value function |
D. |
piecewise function |
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Hint |
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19. |
What is the inequality represented in the graph? |
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A. |
x + 2y > 4 |
B. |
x + 2y 4 |
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C. |
x + 2y 4 |
D. |
x + 2y > 4 |
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Hint |
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20. |
Graph the inequality y -| x | + 3. |
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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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