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1. |
A parabola describes the shape of the graph of a(n) ___________. |
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A. |
axis of symmetry |
B. |
relation |
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C. |
linear function |
D. |
quadratic function |
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Hint |
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2. |
What are the coordinates of the vertex for the graph of y = x2 + 2x – 8? |
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A. |
(–1, –9) |
B. |
(1, –11) |
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C. |
(1, 9) |
D. |
(–2, –8) |
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Hint |
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3. |
Suppose you have the graph of y = x2 and the graph of y = –3x2 + 1. Which statement is not true about the graphs? |
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A. |
One graph opens upward, the other opens downward. |
B. |
The graph of y = x2 is wider than the graph of
y = –3x2 + 1. |
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C. |
The graphs have the same vertex. |
D. |
The graphs have the same axis of symmetry. |
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Hint |
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4. |
The coordinates of the vertex for the graph of y = –(x + 3)2 – 5 are ___________. |
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A. |
(–3, –5) |
B. |
(3, 5) |
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C. |
(–3, 0) |
D. |
(3, –5) |
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Hint |
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5. |
The roots of a quadratic equation can be found by finding the __________ of the related quadratic function. |
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A. |
equation of the axis of symmetry |
B. |
y-intercepts |
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C. |
x-intercepts |
D. |
vertex |
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Hint |
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6. |
Which table shows a correct set of values for the quadratic function
y = –x2 – 4x + 5? |
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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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7. |
Solve x2 – 8x – 20 = 0 by completing the square. |
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A. |
–2 and 10 |
B. |
18 and 22 |
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C. |
 and  |
D. |
–10 and 2 |
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Hint |
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8. |
The length of a flower garden is 8 feet less than twice the width. The total area of the garden is 300 square feet. Find the dimensions of the garden to the nearest tenth of a foot. |
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A. |
14.4 feet by 20.8 feet |
B. |
14.1 feet by 20.2 feet |
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C. |
14.4 feet by 36.8 feet |
D. |
14.1 feet by 22.1 feet |
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Hint |
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9. |
Use the Quadratic Formula to solve –2x2 + 3x – 7 = 0. |
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A. |
 |
B. |
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C. |
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D. |
There are no real solutions for x. |
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Hint |
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10. |
Solitaire is making a triangular painting with an area of 176 square inches. If the height of the triangle is one inch less than three times the base, what are the height and base of the triangle? |
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A. |
base: 32 in.
height: 11 in. |
B. |
base: 41 in.
height: 14 in. |
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C. |
base: 11 in.
height: 32 in. |
D. |
base: 14 in.
height: 41 in. |
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Hint |
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11. |
Terrez just made a garden in the shape of a parallelogram. If the base of the parallelogram is two feet more than half the height and the area of the garden is 30 square feet, what are the dimensions of the garden? |
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A. |
base: 8 ft
height: 6 ft |
B. |
base: 6 ft
height: 8 ft |
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C. |
base: 5 ft
height: 6 ft |
D. |
base: 6 ft
height: 5 ft |
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Hint |
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12. |
Paco is playing volleyball with his friends. He hits the ball over the net. The formula for the ball's height is h(t) = -4.9t2 +14t + 1 Find the amount of time, t, the volleyball will travel if it is not hit. |
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A. |
0.07 seconds |
B. |
2.93 seconds |
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C. |
3.56 seconds |
D. |
0.12 seconds |
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Hint |
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13. |
If a piece of paper is folded in half four times, how many sections are formed? |
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A. |
32 |
B. |
12 |
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C. |
16 |
D. |
8 |
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Hint |
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14. |
Which is the graph of y = 3x – 4? |
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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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