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1. |
The parabola with equation x = -2y2 + 3y - 5 opens _____. |
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A. |
right |
B. |
upward |
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C. |
downward |
D. |
left |
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Hint |
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2. |
Find the coordinates of the vertices of a hyperbola with equation y2 - 4x2 - 6y - 16x - 11 = 0. |
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A. |
(-2, 7), (-2, -1) |
B. |
(-2, 1), (-2, 5) |
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C. |
(-6, 3), (2, 3) |
D. |
(-4, 3), (2, 3) |
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Hint |
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3. |
If y varies inversely as x and y = 3 when x = 3, find y when x = 4. |
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A. |
2.25 |
B. |
1 |
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C. |
4 |
D. |
3.5 |
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Hint |
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4. |
If p varies inversely as q and p = -8 when q = 2, find p when q = -4. |
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A. |
4 |
B. |
16 |
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C. |
-4 |
D. |
-16 |
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Hint |
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5. |
Suppose y varies directly as x, and y = -319 when x = 29. Write a direct variation equation that relates x and y. |
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A. |
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B. |
y = 11x |
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C. |
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D. |
y = -11x |
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Hint |
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6. |
Use the direct variation equation to find x when y = -34. |
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A. |
x = 153 |
B. |
x = -153 |
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C. |
x = - |
D. |
x =  |
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Hint |
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7. |
Solve x2 + 7x < –12 algebraically. |
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A. |
{x| 3 < x < 4} |
B. |
{x| 4 < x < 3} |
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C. |
{x| –3 < x < –4} |
D. |
{x| –4 < x < –3} |
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Hint |
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8. |
Solve by graphing. |
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A. |
{x| –1.12 < x < 3.12} |
B. |
{x| –1.12 < x < 0} |
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C. |
{x| 0 < x < 3.12} |
D. |
{x| 0 < x < 3} |
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Hint |
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9. |
Write the equation in standard form. |
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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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10. |
What is an equation for a circle if the endpoints of a diameter are at (3, 4) and (-3, -2)? |
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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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11. |
What is equidistant to all of the points on a circle? |
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A. |
center |
B. |
tangent line |
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C. |
radius |
D. |
diameter |
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Hint |
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12. |
What are the vertices and foci of a hyperbola with equation ? |
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A. |
 |
B. |
 |
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C. |
7; 65 |
D. |
 |
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Hint |
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13. |
The graph represents which of the following? |
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A. |
ellipse |
B. |
circle |
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C. |
parabola |
D. |
hyperbola |
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Hint |
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14. |
Which diagram shows a plane parallel to the y-axis? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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