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1. |
The maximum or minimum point of a parabola is called the ___________. |
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A. |
quadratic point |
B. |
point of symmetry |
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C. |
axis of symmetry |
D. |
vertex |
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Hint |
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2. |
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. |
The graphs have the same vertex. |
B. |
One graph opens upward, the other opens downward. |
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C. |
The graph of y = x2 is wider than the graph of
y = –3x2 + 1. |
D. |
The graphs have the same axis of symmetry. |
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Hint |
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3. |
The graph of y = 2x2 has its vertex at (0, 0). The parabola is shifted so that the new vertex is at (–2, 3). What is an equation for this new parabola? |
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A. |
y = 2(x – 2)2 + 3 |
B. |
y = 2(x + 2)2 – 3 |
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C. |
y = 2(x – 2)2 – 3 |
D. |
y = 2(x + 2)2 + 3 |
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Hint |
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4. |
The roots of a quadratic equation can be found by finding the __________ of the related quadratic function. |
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A. |
y-intercepts |
B. |
equation of the axis of symmetry |
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C. |
vertex |
D. |
x-intercepts |
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Hint |
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5. |
Solve –4x(x – 7) = 0. |
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A. |
0 and 7 |
B. |
–4 and 7 |
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C. |
–7 and 0 |
D. |
–7 and –4 |
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Hint |
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6. |
Solve 4x2 = 9x. |
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A. |
4 and 9 |
B. |
0 and  |
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C. |
0 and  |
D. |
0 and  |
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Hint |
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7. |
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. |
14.1 feet by 20.2 feet |
B. |
14.4 feet by 36.8 feet |
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C. |
14.4 feet by 20.8 feet |
D. |
14.1 feet by 22.1 feet |
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Hint |
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8. |
The Quadratic Formula is developed by __________ a general form of a quadratic equation. |
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A. |
factoring |
B. |
completing the square for |
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C. |
finding the vertex of |
D. |
graphing |
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Hint |
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9. |
Which graph represents an exponential function? |
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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. |
The vertical line containing the vertex of the parabola is called the ___________. |
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A. |
quadratic function |
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B. |
minimum |
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C. |
axis of perpendicularity |
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D. |
axis of symmetry |
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Hint |
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11. |
Estimate the roots of 2x2 + 3x – 4. |
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A. |
between -3 and -2, between -4 and -3 |
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B. |
between 0 and -1, between 2 and 3 |
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C. |
between 0 and 1, between -3 and -2 |
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D. |
between 2 and 3, between -4 and -3 |
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Hint |
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12. |
Ora has invented a new soft drink called Healthy Soda. If the can she is going to use has a volume of 27 cubic inches, what will the area of the base and the height of the can be? |
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A. |
area of base: 8 in2
height: 5 in. |
B. |
area of base: 5 in2
height: 8 in. |
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C. |
area of base: 4.5 in2
height: 6 in. |
D. |
area of base: 6 in2
height: 4.5 in. |
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Hint |
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13. |
Use the quadratic formula to solve the equation x2 + x – 2 = 0. |
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A. |
x = 1, x = -2 |
B. |
x = -3, x = -4 |
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C. |
x = 3, x = 4 |
D. |
x = -1, x= 2 |
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Hint |
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14. |
Sitala put $300.00 in the bank in June. If she has a monthly interest rate of 0.5%, how much money will she have by March of the next year? |
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A. |
$307.58 |
B. |
$316.92 |
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C. |
$310.66 |
D. |
$313.77 |
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Hint |
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