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1. |
Find the value of 5 + 22 - 8 + 3. |
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A. |
2 |
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B. |
-2 |
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C. |
-4 |
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D. |
4 |
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Hint |
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2. |
Given the function f(x) = x2 + 9, find f(-3). |
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A. |
18 |
B. |
0 |
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C. |
12 |
D. |
6 |
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Hint |
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3. |
Which is the standard form of a linear equation? |
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A. |
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B. |
y = 2x - 3 |
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C. |
4x - 9y = 1 |
D. |
3x2 + y = 5 |
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Hint |
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4. |
When Kristin works 8 hours, she earns $60. When she works 20 hours, she earns $150. Write a linear equation that describes her earnings. Assume that the changes increase linearly. |
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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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5. |
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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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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6. |
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. |
negative. |
D. |
undefined. |
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Hint |
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7. |
Find the range of the relation graphed below. |
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A. |
{-3, 0, 1, 3} |
B. |
{-3, -1, 1, 3, 4} |
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C. |
{-1, 0, 4, 5} |
D. |
{-3, -1, 0, 1, 3, 4} |
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Hint |
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8. |
Find the domain of the relation shown in the graph. |
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A. |
{-3, -2, -1, 0, 1, 2, 3, 5} |
B. |
{-3, -2, -1, 0, 1, 3} |
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C. |
{-2, -1, 1, 2, 3, 5} |
D. |
{0, 1, 2, 3} |
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Hint |
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9. |
The temperature in degrees Fahrenheit can be expressed by the function F(c) = 1.8c + 32 where c is the temperature in degrees Celsius. Find the temperature in degrees Fahrenheit (to the nearest degree) if it is 18° C outside. |
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A. |
20 |
B. |
212 |
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C. |
42 |
D. |
64 |
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Hint |
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10. |
Graph the line through (2, 3) that is perpendicular to the line with equation 2x + 5y = 1. |
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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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11. |
Choose the line that has a slope of zero. |
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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. |
What is the slope of the line with equation  |
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A. |
-7 |
B. |
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C. |
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D. |
7 |
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Hint |
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13. |
A cellular telephone company charges $0.20 per minute or fraction thereof. If Miguel, a customer of this company, talks on his cell phone for 23.27 minutes, what will his charges be for that phone call? |
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A. |
$4.80 |
B. |
$4.66 |
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C. |
$4.65 |
D. |
$4.60 |
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Hint |
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14. |
What type of function is shown in the graph? |
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A. |
constant function |
B. |
step function |
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C. |
piecewise function |
D. |
absolute value function |
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Hint |
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15. |
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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16. |
Choose the ordered pair that satisfies 7x – 15y < -13. |
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A. |
(2, -3) |
B. |
(1, 1) |
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C. |
(-2, 0) |
D. |
(0, -2) |
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Hint |
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