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1. |
What is the value of |-101|? |
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A. |
101 |
B. |
-101 |
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C. |
10.1 |
D. |
0 |
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Hint |
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2. |
Solve 2(y - 9) < 6. |
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A. |
{y | y > 12} |
B. |
{y | y < 6} |
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C. |
{y | y > -6} |
D. |
{y | y < 12} |
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Hint |
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3. |
Write  in standard form where A, B, and C are integers whose greatest common factor is 1. |
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A. |
3x - 8y = 2 |
B. |
3x - 8y = 16 |
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C. |
 |
D. |
3x + 8y = 16 |
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Hint |
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4. |
Describe the line that is graphed below. |
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 |
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A. |
passes through the point (3,2) with a slope of  |
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B. |
passes through the point (3,-2) with a slope of  |
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C. |
passes through the point (3,-2) with a slope of  |
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D. |
passes through the point (3,-2) with a slope of  |
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Hint |
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5. |
Solve the system of equations. 
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
What is the value of the determinant? |
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A. |
-8 |
B. |
-12 |
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C. |
-3 |
D. |
12 |
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Hint |
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7. |
Which coordinates are not of the vertices of the feasible region for the system of inequalities? 
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A. |
(2, 4) |
B. |
(5, 1) |
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C. |
(0, 6) |
D. |
(5, 4) |
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Hint |
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8. |
If  , find I so that  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Solve  |
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A. |
49 |
B. |
-49 |
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C. |
7 |
D. |
14 |
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Hint |
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11. |
What is the conjugate of 12 - 4i? |
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A. |
-4i |
B. |
12 + 4i |
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C. |
12 |
D. |
 |
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Hint |
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12. |
Solve x2 - 6x + 10 = 0 by completing the square. |
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A. |
1 ± i |
B. |
-3 ± i |
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C. |
2, 4 |
D. |
3 ± i |
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Hint |
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13. |
Which function has a graph that opens upward? |
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A. |
f(x) = -x2 + 3x -12 |
B. |
f(x) = -x2 + 4x + 7 |
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C. |
f(x) = -5x2 -6x -3 |
D. |
f(x) = 2x2 - 5x - 2 |
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Hint |
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14. |
Evaluate z – (2yz + y) · y if y = -3 and z = 2. |
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A. |
9 |
B. |
-43 |
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C. |
47 |
D. |
23 |
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Hint |
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15. |
State whether the product of A3 × 4 and B3 × 4 is defined, and if it is defined, state the dimensions. |
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A. |
defined, 4 × 3 |
B. |
defined, 3 × 4 |
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C. |
undefined |
D. |
defined, 9 × 16 |
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Hint |
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16. |
Which of the following is prime? |
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A. |
7x2 – y2 |
B. |
3x2 – 6y |
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C. |
5xy>2 + 10y |
D. |
3xy + 13x2 |
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Hint |
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17. |
Is the following expression simplified?  |
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A. |
no, since the index of 4 could be smaller |
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B. |
yes, since the power on x is < 1 in the numerator |
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C. |
Yes, since the power on x is = 1 in the denominator. |
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D. |
no, since there is a radical in the denominator |
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Hint |
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18. |
Evaluate  |
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A. |
81 |
B. |
27 |
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C. |
9 |
D. |
486 |
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Hint |
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19. |
If a = 2 and the vertex is (3, -4), will there be a minimum or maximum value for the parabola? What is the value? |
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A. |
minimum, –4 |
B. |
maximum, –3 |
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C. |
maximum, 3 |
D. |
maximum, –4 |
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Hint |
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20. |
Solve  by graphing. |
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A. |
{x| –1.19 < x < 4.19} |
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B. |
{x| –1.19 < x < 0} |
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C. |
{x| 0 < x < 4.19} |
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D. |
{x| 4.19< x < –1.19} |
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Hint |
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