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1. |
What is the value of 9 - [12 + (15 ÷ 3)]? |
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A. |
26 |
B. |
0 |
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C. |
-8 |
D. |
2 |
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Hint |
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2. |
The values in the graph below are _______ |
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 |
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A. |
natural numbers. |
B. |
integers. |
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C. |
irrational numbers. |
D. |
rational numbers. |
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Hint |
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3. |
Choose the graph of 3y - 2x > 6. |
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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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4. |
Use the substitution method to solve m - n = 7 and 3m + 2n = 6. |
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A. |
 |
B. |
(-3, -10) |
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C. |
(4, -3) |
D. |
(-5, 2) |
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Hint |
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5. |
Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region. |
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 |
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A. |
27 |
B. |
14 |
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C. |
-28 |
D. |
-14 |
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Hint |
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6. |
Solve [3x 8y] = [-12 1] for x and y. |
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A. |
x = -12
y = 1 |
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B. |
x = 4
y = 1 |
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C. |
x = -4
y =  |
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D. |
x = -4
y = 8 |
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Hint |
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7. |
Write the matrix equation  as a system of linear equations. |
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A. |
-2s + 5t = 7
s + 8t = 12 |
B. |
-2s + t = 7
5s + 8t = 12 |
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C. |
-2s = 7
5t = 12 |
D. |
-2s + t = 12
5s + 8t = 7 |
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Hint |
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8. |
Find the coordinates of the center of an ellipse with equation
9x2 + 4y2 - 72x + 16y + 124 = 0. |
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A. |
(4, -2) |
B. |
(4, 2) |
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C. |
(4, 9) |
D. |
(2, 3) |
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Hint |
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9. |
Use the graph to determine the solution of -x2 + 6x - 9 = 0. |
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 |
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A. |
4 |
B. |
3 |
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C. |
-9 |
D. |
2 |
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Hint |
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10. |
Solve the equation w2 - 4w = 12 by graphing. |
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A. |
-2, 6 |
B. |
0, -3 |
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C. |
1, 4 |
D. |
6 |
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Hint |
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11. |
Graph f(x) = x3 - 4x2 + 2x – 3. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
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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13. |
If  and  , find the approximate value of log2 15. |
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A. |
3.9069 |
B. |
1.4649 |
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C. |
0.7369 |
D. |
3.6802 |
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Hint |
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14. |
Solve 4x = 22 to three decimal places. |
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A. |
2.230 |
B. |
3.961 |
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C. |
3.414 |
D. |
5.500 |
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Hint |
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15. |
Solve the equation | 4k + 6 | = 5k + 3. |
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A. |
-1 |
B. |
3 |
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C. |
{-1, 3} |
D. |
 |
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Hint |
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16. |
Solve  |
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A. |
{y | y  21} |
B. |
 |
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C. |
{y | y < 21} |
D. |
 |
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Hint |
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17. |
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. |
$4.80 |
B. |
$4.66 |
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C. |
$4.65 |
D. |
$4.60 |
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Hint |
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18. |
Suppose a plant grows one inch every year. If x is how old the plant is (in years), and f (x) is how tall the plant is (in inches), what type of function is f (x)? |
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A. |
constant function |
B. |
identity function |
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C. |
absolute value function |
D. |
step function |
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Hint |
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19. |
Write the expression  in quadratic form. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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20. |
What is the inverse of the relation (3, -1), (2, 5), (-4, -4)? |
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A. |
(1, -3), (-5, -2), (4, 4) |
B. |
(-1, 3), (5, 2), (4, 4) |
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C. |
(-3, -1), (-2, 5), (4, -4) |
D. |
(-1, 3), (5, 2), (-4, -4) |
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Hint |
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