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1. |
Evaluate a - b2 if a = 4 and b = 3. |
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A. |
-13 |
B. |
1 |
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C. |
13 |
D. |
-5 |
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Hint |
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2. |
Name the property illustrated by the statement below.
If 5n = 15, then 15 = 5n. |
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A. |
substitution property of equality |
B. |
reflexive property of equality |
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C. |
transitive property of equality |
D. |
symmetric property of equality |
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Hint |
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3. |
Solve the system of equations by graphing. 
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A. |
no solution |
B. |
infinitely many solutions |
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C. |
(-1, 7) |
D. |
(0, 3) |
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Hint |
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4. |
What is the value of the determinant? |
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A. |
-8 |
B. |
-3 |
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C. |
-12 |
D. |
12 |
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Hint |
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5. |
Solve the system of inequalities by graphing. 
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Solve  using inverse matrices. |
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A. |
(-4, 0) |
B. |
(4, 4) |
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C. |
(4, -4) |
D. |
(-4, 4) |
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Hint |
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7. |
Simplify  |
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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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8. |
Solve the equation (x -2)(x + 2) = 0. |
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A. |
2 |
B. |
-2 |
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C. |
2, 0 |
D. |
-2, 2 |
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Hint |
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9. |
Solve x2 + 7x + 8 = 0. |
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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. |
Find a quadratic equation that has roots 6 + 2i and 6 - 2i. |
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A. |
x2 + 12x + 40 = 0 |
B. |
x2 - 12x - 40 = 0 |
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C. |
x2 - 12x + 40 = 0 |
D. |
x2 +12x - 40 = 0 |
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Hint |
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11. |
Find the axis of symmetry of the graph of f(x) = 4x2 -4x + 4. |
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A. |
x =  |
B. |
y = 3 |
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C. |
x = 2 |
D. |
x = 4 |
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Hint |
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12. |
If  what is the value of  |
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A. |
29 |
B. |
27 |
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C. |
89 |
D. |
 |
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Hint |
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13. |
Solve the equation | 4k + 6 | = 5k + 3. |
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A. |
 |
B. |
-1 |
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C. |
{-1, 3} |
D. |
3 |
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Hint |
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14. |
A cellular telephone company charges $0.20 per minute or fraction thereof. If Miguel, a customer of this company, talks on his cell phone for 23.27 minutes, what will his charges be for that phone call? |
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A. |
$4.65 |
B. |
$4.80 |
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C. |
$4.60 |
D. |
$4.66 |
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Hint |
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15. |
The Waxmans just opened a carpet store. Their startup costs were $5000, and their cost of carpet is $8 per square yard. How many square yards of carpet do they need to sell in order to break even if they sell the carpet for $18 per square yard? |
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A. |
500 square yards |
B. |
192 square yards |
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C. |
278 square yards |
D. |
50 square yards |
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Hint |
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16. |
Which is true for the following system of equations?
3x -  y = 1
x + 2y = 7. |
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A. |
y > x |
B. |
y < x |
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C. |
y = x |
D. |
cannot be determined from information given |
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Hint |
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17. |
Simplify  |
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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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18. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
7 |
B. |
6, 8 |
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C. |
–7 |
D. |
–6, –8 |
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Hint |
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19. |
If the graph of y = x2 is shifted 4 units to the right, and 2 units down, what is the equation of the new graph? |
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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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20. |
What is the equation of the parabola whose vertex is at (-3, 1) and passes through the point (-2, 4)? |
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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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