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1. |
A parabola describes the shape of the graph of a(n) ___________. |
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A. |
linear function |
B. |
relation |
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C. |
quadratic function |
D. |
axis of symmetry |
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Hint |
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2. |
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. |
vertex |
D. |
axis of symmetry |
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Hint |
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3. |
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. |
vertex |
D. |
x-intercepts |
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Hint |
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4. |
The Zero Product Property states that for all numbers a and b, if
ab = 0, then ____________. |
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A. |
a = 0 |
B. |
both a = 0 and b = 0 |
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C. |
b = 0 |
D. |
a = 0, b = 0, or both a and b equal 0 |
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Hint |
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5. |
Solve 4x2 = 9x. |
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A. |
0 and  |
B. |
4 and 9 |
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C. |
0 and  |
D. |
0 and  |
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Hint |
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6. |
Which trinomial is not a perfect square? |
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A. |
x2 + 14x + 49 |
B. |
x2 + 9x + 18 |
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C. |
x2 + 4x + 4 |
D. |
x2 + 2x + 1 |
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Hint |
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7. |
Suppose you have the graph of y = x2 and the graph of y = x2 + 5. Which statement is not true about the two graphs? |
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A. |
The parabolas have the same vertex. |
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B. |
Both parabolas open upward. |
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C. |
The parabolas have the same axis of symmetry. |
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D. |
The parabolas have the same shape and width. |
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Hint |
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8. |
The graph of y = -x2 – 2x – 4 has its vertex at (-1, -3). The parabola is shifted so that the new vertex is at (2, 8). What is an equation for this new parabola? |
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A. |
y = -(x + 1) 2 – 5 |
B. |
y = -(x – 2) 2 + 8 |
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C. |
y = -(x + 2) 2 – 8 |
D. |
y = -(x – 1) 2 – 5 |
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Hint |
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9. |
Which answer contains the word or words that are the same as ''y-intercept''? |
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A. |
none of these |
B. |
roots |
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C. |
roots, zeros |
D. |
zeros |
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Hint |
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10. |
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: 4.5 in2
height: 6 in. |
B. |
area of base: 5 in2
height: 8 in. |
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C. |
area of base: 8 in2
height: 5 in. |
D. |
area of base: 6 in2
height: 4.5 in. |
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Hint |
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11. |
Use the quadratic formula to solve the equation x2 + 9x + 18 = 0. |
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A. |
x = 6, x = 3 |
B. |
x = -9, x = -18 |
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C. |
x = -6, x = -3 |
D. |
x = 9, x = 18 |
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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. |
3.56 seconds |
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C. |
0.12 seconds |
D. |
2.93 seconds |
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Hint |
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13. |
Find the y-intercept of the function y = -2x + 2. |
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A. |
3 |
B. |
1 |
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C. |
0 |
D. |
-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. |
$316.92 |
B. |
$307.58 |
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C. |
$313.77 |
D. |
$310.66 |
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Hint |
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