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1. |
Which table of values is correct for the function y = –x2 + 3? |
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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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2. |
What is the equation of the axis of symmetry for the graph of
y = x2 + 2x + 1? |
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A. |
y = –2 |
B. |
y = –1 |
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C. |
x = –1 |
D. |
x = –2 |
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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. |
The graph of y = x2 is wider than the graph of
y = –3x2 + 1. |
B. |
One graph opens upward, the other opens downward. |
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C. |
The graphs have the same axis of symmetry. |
D. |
The graphs have the same vertex. |
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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, 5) |
D. |
(–3, 0) |
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Hint |
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5. |
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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6. |
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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7. |
The length of a deck on the Larsons' house is 12 feet longer than it is wide. The area of the deck is 220 square feet. Find the dimensions of the deck. |
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A. |
12 feet by 24 feet |
B. |
8 feet by 27.5 feet |
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C. |
8 feet by 20 feet |
D. |
10 feet by 22 feet |
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Hint |
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8. |
Suppose you want to solve x2 + 5x + 1 = 0 by completing the square. What is the first step? |
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A. |
Square 5, the coefficient of x. |
B. |
Subtract 1 from each side of the equation. |
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C. |
Find one half of 5, the coefficient of x. |
D. |
Square 1, the constant term in the expression. |
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Hint |
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9. |
Which graph represents an exponential function? |
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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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10. |
Which answer contains the word or words that are the same as ''y-intercept''? |
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A. |
roots, zeros |
B. |
roots |
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C. |
none of these |
D. |
zeros |
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Hint |
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11. |
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: 8 in2
height: 5 in. |
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C. |
area of base: 6 in2
height: 4.5 in. |
D. |
area of base: 5 in2
height: 8 in. |
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Hint |
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12. |
Use the quadratic formula to solve the equation -x2 + 2x + 1 = 0. |
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A. |
x  -0.414, x -2.414 |
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B. |
x -0.414, x 2.414 |
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C. |
no solution |
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D. |
x 0.414, x -2.414 |
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Hint |
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13. |
Use the quadratic formula to solve the equation 4x2 + 3x + 3 = 0. |
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A. |
no solution |
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B. |
x -0.569, x -1.319 |
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C. |
x -0.569, x 1.319 |
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D. |
x 0.569, x -1.319 |
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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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