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1. |
Name the property illustrated by the statement below. If 5n = 15, then 15 = 5n. |
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A. |
transitive property of equality |
B. |
reflexive property of equality |
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C. |
substitution property of equality |
D. |
symmetric property of equality |
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Hint |
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2. |
Solve 18 + a = 36. |
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A. |
18 |
B. |
54 |
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C. |
-2 |
D. |
-18 |
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Hint |
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3. |
Solve 7(2k + 4) - (3k + 1) = 49. |
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A. |
2 |
B. |
1 |
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C. |
4 |
D. |
1.8 |
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Hint |
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4. |
Solve 4x > 28. |
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A. |
{x | x > 7} |
B. |
{x | x > 28} |
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C. |
{x | x < 4} |
D. |
{x | x < 7} |
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Hint |
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5. |
Graph the solution set of |3y + 9| > 12. |
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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. |
A graph of a system of three linear equations in three variables is shown below. How many solutions does the system have? |
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A. |
0 |
B. |
2 |
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C. |
1 |
D. |
infinite number |
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Hint |
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7. |
Determine which ordered triple is a solution of the system of equations. 


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A. |
(0, 1, -14) |
B. |
(1, -2, 6) |
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C. |
(-1, 2, -16) |
D. |
(0, 0, 11) |
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Hint |
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8. |
Choose the matrix that represents the ordered triple (5, -7, 1). |
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A. |
[1 -7 5] |
B. |
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C. |
[5 -7 1] |
D. |
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Hint |
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9. |
Find  |
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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. |
If , find I so that  |
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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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11. |
Simplify (8 - 9i) + (3 + 4i). |
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A. |
17 + 7i |
B. |
11 + 5i |
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C. |
-i + 17 |
D. |
11 - 5i |
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Hint |
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12. |
Write x6 as a multiplication expression. |
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A. |
6x |
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B. |
 |
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C. |
6 · 6 · 6 · 6 · 6 · 6 |
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D. |
x · x · x · x · x · x |
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Hint |
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13. |
Solve x = 34. |
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A. |
x = 64 |
B. |
x = 81 |
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C. |
x = 12 |
D. |
x = 27 |
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Hint |
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14. |
Find a quadratic equation with roots and . |
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A. |
8x2 - 14x + 3 = 0 |
B. |
8x2 - 3x + 14 = 0 |
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C. |
4x2 - 6x + 1 = 0 |
D. |
4x2 - x + 6 = 0 |
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Hint |
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15. |
Find the domain of the relation shown in the graph. |
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A. |
{-2, -1, 1, 2, 3, 5} |
B. |
{0, 1, 2, 3} |
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C. |
{-3, -2, -1, 0, 1, 3} |
D. |
{-3, -2, -1, 0, 1, 2, 3, 5} |
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Hint |
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16. |
Graph the line through (2, 3) that is perpendicular to the line with equation 2x + 5y = 1. |
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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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17. |
Which of the following matrices is equal to  |
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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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18. |
Find the area of a triangle whose vertices are located at (-3, 2), (0, -5), and (4, 4). |
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A. |
55 |
B. |
1 |
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C. |
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D. |
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Hint |
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19. |
Solve -x2 + 3x + 5 = 0 by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located. |
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A. |
between 2 and1, and between 3 and 4 |
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B. |
between 1 and 0, and between 3 and 4 |
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C. |
between 1 and 0, and between 4 and 5 |
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D. |
between 2 and -1, and between 4 and 5 |
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Hint |
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20. |
Which graph of the following functions will be strictly above the graph of ? |
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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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