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1. |
Choose the graph that is not a function. |
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A. |
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B. |
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D. |
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Hint |
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2. |
Determine which equation represents a function. |
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A. |
x = 4 |
B. |
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C. |
x = y2 - 1 |
D. |
y = -2x + 1 |
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Hint |
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3. |
If y varies directly as x and y = 35 when x = 5, find y when x = 11. |
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A. |
7 |
B. |
41 |
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C. |
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D. |
77 |
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Hint |
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4. |
If y varies inversely as x and y = 6 when x = 24, find x when y = 12. |
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A. |
144 |
B. |
12 |
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C. |
24 |
D. |
48 |
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Hint |
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5. |
If y varies inversely as x and y = 15 when x = 3, find y when x = 9. |
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A. |
15 |
B. |
45 |
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C. |
3 |
D. |
5 |
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Hint |
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6. |
Graph y = 2x + 5. |
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A. |
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B. |
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D. |
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Hint |
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7. |
Write an equation for {(5, 2), (0, 12), (1, 10), (-2, 16)} |
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A. |
y = 2x - 12 |
B. |
y = -2x + 12 |
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C. |
y = x + 9 |
D. |
y = x + 12 |
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Hint |
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8. |
What is the equation of the graph shown? |
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A. |
f(x) = 2x2 - 2x + 1 |
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B. |
f(x) = -2x2 + 2x - 1 |
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C. |
f(x) = 2x2 + 2x + 1 |
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D. |
f(x) = -2x2 + 2x + 1 |
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Hint |
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9. |
Find the distance between points with coordinates (3, -2) and (-2, 10). |
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A. |
7 |
B. |
13 |
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C. |
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D. |
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Hint |
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10. |
Find h(3a) if h(z) = z2 - 9z – 10. |
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A. |
3a2 - 27a – 10 |
B. |
-24a – 10 |
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C. |
-18a – 10 |
D. |
9a2 - 27a – 10 |
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Hint |
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11. |
Find the slope of the line that passes through (5, -5) and (9, -5). |
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A. |
0 |
B. |
undefined |
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C. |
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D. |
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Hint |
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12. |
Find the slope of the line that passes through (-2, 9.5) and (4, 5). |
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A. |
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B. |
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C. |
undefined |
D. |
0 |
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Hint |
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13. |
Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y. |
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A. |
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B. |
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D. |
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14. |
Write an equation of a line that passes through (-6, 2) with slope  . |
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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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15. |
From the set {(-5, 4), (0, 2), (1, 6), (4, -4)}, which ordered pairs are a part of the solution set for  |
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A. |
{(-5, 4), (0, 2), (1, 6)} |
B. |
{(-5, 4), (1, 6), (4, -4)} |
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C. |
{(1, 6), (4, -4)} |
D. |
{(0, 2), (4, -4)} |
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Hint |
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16. |
Which of the following is the inequality for the given graph? |
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A. |
3x – y > 2 |
B. |
3x + y > 2 |
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C. |
3x – y < 2 |
D. |
3x + y < 2 |
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Hint |
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17. |
What is the perimeter of a triangle whose vertices are the points
(–1, 4), (–1, –2), (5, –2)? |
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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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18. |
Which is a function rule for the table shown? |
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A. |
y = 2x2 - 4 |
B. |
y = 2x - 4 |
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C. |
y = -x2 + 4 |
D. |
y = -2x + 4 |
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Hint |
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