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1. |
A parabola describes the shape of the graph of a(n) ___________. |
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A. |
quadratic function |
B. |
linear function |
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C. |
axis of symmetry |
D. |
relation |
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Hint |
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2. |
Suppose you have the graph of y = x2 and the graph of y = –x2. Which statement is not true about the two graphs? |
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A. |
The parabolas have the same axis of symmetry. |
B. |
The parabolas have the same vertex. |
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C. |
Both parabolas open downward. |
D. |
The parabolas have the same shape and width. |
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Hint |
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3. |
The coordinates of the vertex for the graph of y = –(x + 3)2 – 5 are ___________. |
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A. |
(–3, 0) |
B. |
(3, –5) |
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C. |
(3, 5) |
D. |
(–3, –5) |
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Hint |
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4. |
Which graph shows a parabola with exactly one root? |
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A. |
 |
B. |
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C. |
A parabola cannot have exactly one root. |
D. |
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Hint |
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5. |
Use the Quadratic Formula to solve –2x2 + 3x – 7 = 0. |
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A. |
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B. |
There are no real solutions for x. |
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C. |
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D. |
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Hint |
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6. |
A function of the form y = ax, where a > 0 and  is called a(n) ___________. |
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A. |
exponential function |
B. |
quadratic function |
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C. |
exact function |
D. |
parabolic function |
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Hint |
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7. |
The lowest point of a quadratic function is called the ________. |
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A. |
maximum |
B. |
minimum |
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C. |
valley |
D. |
peak |
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Hint |
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8. |
Joey is jumping into the pool from the diving board as shown. In the equation, h represents his horizontal distance in feet and v represents his vertical distance in feet. Find the horizontal distance he will travel before hitting water. |
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A. |
6.5 ft |
B. |
3.082 ft |
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C. |
2.582 ft |
D. |
1 ft |
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Hint |
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9. |
Solve (t – 1)(5t + 2). |
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A. |
t = 1, t =  |
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B. |
t = -1, t =  |
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C. |
t = -1, t =  |
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D. |
t = 1, t =  |
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Hint |
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10. |
Solve 4j(3j + 3). |
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A. |
j = 0, j = -3 |
B. |
j = 0, j = 1 |
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C. |
j = 0, j = 3 |
D. |
j = 0, j = -1 |
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Hint |
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11. |
Find the value of c that makes x2 – 18 + c a perfect square. |
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A. |
81 |
B. |
-3 |
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C. |
-81 |
D. |
3 |
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Hint |
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12. |
Find the value of c that makes 4x2 + 12x + c a perfect square. |
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A. |
18 |
B. |
3 |
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C. |
9 |
D. |
1 |
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Hint |
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13. |
Use the quadratic formula to solve the equation x2 + 9x + 18 = 0. |
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A. |
x = -9, x = -18 |
B. |
x = 6, x = 3 |
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C. |
x = 9, x = 18 |
D. |
x = -6, x = -3 |
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Hint |
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14. |
Find the y-intercept of the function y = -2x + 2. |
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A. |
1 |
B. |
3 |
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C. |
-2 |
D. |
0 |
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Hint |
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