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1. |
Simplify 3(2a + b) + 6(a - 2b). |
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A. |
12a + b |
B. |
12a + 15b |
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C. |
12a + 9b |
D. |
12a - 9b |
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Hint |
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2. |
Which function is not linear? |
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A. |
 |
B. |
f(x) = 14x + 7 |
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C. |
f(x) = 2x3 |
D. |
f(x) = 8 |
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Hint |
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3. |
Use the substitution method to solve m - n = 7 and 3m + 2n = 6. |
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A. |
(4, -3) |
B. |
(-5, 2) |
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C. |
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D. |
(-3, -10) |
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Hint |
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4. |
Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region. |
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A. |
-28 |
B. |
-14 |
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C. |
27 |
D. |
14 |
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Hint |
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5. |
Choose the matrix that represents the ordered triple (5, -7, 1). |
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A. |
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B. |
[5 -7 1] |
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C. |
[1 -7 5] |
D. |
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Hint |
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6. |
Find 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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7. |
Factor 6x3y + 15x2y2 - 3x4y. |
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A. |
x2y(6x + 15y - 3x2) |
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B. |
3xy(2x2 + 5xy - x3) |
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C. |
3x2y(2x+ 5y - x2) |
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D. |
xy(6x2 + 15xy - 3x3) |
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Hint |
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8. |
Simplify  |
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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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9. |
Evaluate  |
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A. |
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B. |
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C. |
3 |
D. |
4 |
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Hint |
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10. |
Simplify  |
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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. |
Solve m2 - 2m = 15 by factoring. |
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A. |
3 |
B. |
-5, 3 |
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C. |
5 |
D. |
-3, 5 |
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Hint |
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12. |
Name the sets of numbers to which  belongs. |
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A. |
Integers, Rationals, and Reals |
B. |
Rationals and Reals |
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C. |
Irrationals and Reals |
D. |
Naturals, Wholes, Integers, Rationals, and Reals |
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Hint |
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13. |
Solve the equation | 3a + 2 | - 2 = 4a + 1. |
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A. |
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B. |
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C. |
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D. |
-1 |
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Hint |
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14. |
Which graph represents the following system:  |
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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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15. |
Which of the following is not a vertex of the figure formed by  |
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A. |
(2, –1) |
B. |
(6, 4) |
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C. |
(0, 2) |
D. |
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Hint |
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16. |
Simplify:  if  |
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A. |
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B. |
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C. |
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D. |
Cannot be simplified further. |
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Hint |
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17. |
 |
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A. |
–3 |
B. |
no real solution |
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C. |
3 |
D. |
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Hint |
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18. |
Solve:  |
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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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19. |
Simplify  |
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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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20. |
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. |
maximum, 3 |
B. |
maximum, –4 |
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C. |
maximum, –3 |
D. |
minimum, –4 |
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Hint |
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