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1. |
Sarah must maintain a balance of at least $500 in her checking account to avoid finance charges. If her current balance is $794, write an inequality to determine how many times she can withdraw $25 for shopping without paying finance charges. |
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A. |
25w  500 |
B. |
25w 794 |
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C. |
25w 294 |
D. |
25w 106 |
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Hint |
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2. |
Solve the system of equations y = 3x + 4 and  by graphing. |
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A. |
(3, 5) |
B. |
 |
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C. |
(-3, -5) |
D. |
 |
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Hint |
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3. |
If f(n) = -6n + 2, find f . |
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A. |
4 |
B. |
9 |
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C. |
8 |
D. |
-3 |
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Hint |
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4. |
The greatest power in a quadratic function is ______. |
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A. |
1 |
B. |
4 |
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C. |
2 |
D. |
3 |
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Hint |
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5. |
Simplify the polynomial 4a2 + a2. |
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A. |
5a2 |
B. |
6a2 |
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C. |
4a2 + a |
D. |
4a2 |
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Hint |
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6. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
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A. |
y = –x – 2 |
B. |
y = –x + 2 |
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C. |
y = –x – 1 |
D. |
y = –2x + 1 |
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Hint |
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7. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x – 9 |
B. |
y = 3x + 9 |
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C. |
y = 3x – 3 |
D. |
y = 3x + 3 |
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Hint |
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8. |
What is the reciprocal of –20? Evaluate it in decimal form. |
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A. |
–0.50 |
B. |
–0.02 |
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C. |
–0.20 |
D. |
–0.05 |
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Hint |
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9. |
Suppose your parents buy a new car for $21,000. What will the value of the car be in 5 years if the car depreciates by 10% each year.? |
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A. |
$12,400 |
B. |
$10,044 |
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C. |
$11,160 |
D. |
$15,309 |
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Hint |
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10. |
Use a graphing calculator to graph y = 8x – 2x2. Estimate the highest point on the graph. |
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A. |
(8, 2) |
B. |
(2, 8) |
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C. |
(7, 3) |
D. |
(3, 7) |
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Hint |
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11. |
Find the correct representation of a translation. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
What is the scale factor of Figure A to Figure B? |
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A. |
3 |
B. |
 |
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C. |
2 |
D. |
 |
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Hint |
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13. |
Solve the equation. |
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A. |
z = –2 |
B. |
z = –5 |
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C. |
z = 2 |
D. |
z = 5 |
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Hint |
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14. |
Find the solutions of the equation.4y2 – 16 = 0 |
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A. |
y = and y =  |
B. |
y = –2 and y = –2 |
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C. |
y = and y = |
D. |
y = 2 and y = –2 |
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Hint |
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15. |
Solve the equation.6x2 – 12x + 3 = 0 |
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A. |
x = 0.29 and x = –1.71 |
B. |
x = –0.29 and x = –1.71 |
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C. |
x = 0.29 and x = 1.71 |
D. |
x = –0.29 and x = 1.71 |
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Hint |
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16. |
Find the quadratic equation with 1 solution. |
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A. |
x2 – 2x + 2= 0 |
B. |
x2 + 6x + 9 = 0 |
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C. |
4x2 + 4x – 35= 0 |
D. |
x2 – 10x + 21= 0 |
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Hint |
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17. |
Consider a function machine that gives the positive square root of the input. If the input is  , what is the output? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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18. |
A flare is shot up into the sky modeling the formula h(t) = 2 + 144t – 16t2, where h is in feet and t is in seconds. About how long was the flare in the air? |
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A. |
9 seconds |
B. |
5 seconds |
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C. |
2.5 seconds |
D. |
4.5 seconds |
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Hint |
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19. |
Consider the function f(x) = 3x – 1. Write the new equation of the function after it has been translated 2 units to the right. |
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A. |
f(x) = 5x – 1 |
B. |
f(x) = 3x + 1 |
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C. |
f(x) = 3x + 5 |
D. |
f(x) = 3x – 7 |
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Hint |
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20. |
Find the range of a parabola if the vertex is (–5, 3) and the parabola opens upward. |
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A. |
range: f(x)  3 |
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B. |
range: f (x) 3 |
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C. |
range: f (x) –5 |
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D. |
range: f (x) –5 |
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Hint |
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