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1. |
An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach? |
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A. |
17.8 ft |
B. |
17.0 ft |
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C. |
12 ft |
D. |
19 ft |
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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. |
18 |
D. |
-2 |
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Hint |
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3. |
Solve the system of inequalities by graphing. 
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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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4. |
A baker earns 15¢ profit per glazed doughnut g, and 40¢ profit per jelly doughnut j. If a customer wants to buy no more than a dozen doughnuts and wants to try at least one of each kind, what is the maximum profit the baker can earn? |
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A. |
$1.80 |
B. |
$4.80 |
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C. |
$3.30 |
D. |
$4.55 |
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Hint |
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5. |
Solve  . |
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A. |
(2, 8) |
B. |
(-2, -8) |
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C. |
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D. |
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Hint |
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6. |
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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7. |
Simplify (4r - s) - (r + 2s) + (3r - s). |
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A. |
6r - 3s |
B. |
6r - 4s |
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C. |
8r |
D. |
3r - 2s |
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Hint |
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8. |
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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9. |
What is the leading coefficient of the polynomial
p(x) = -3x5 + 4x3 - 5x2 + 4x - 6? |
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A. |
4 |
B. |
-6 |
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C. |
3 |
D. |
-3 |
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Hint |
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10. |
Name the sets of numbers to which  belongs. |
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A. |
Rationals and Reals |
B. |
Naturals, Wholes, Integers, Rationals, and Reals |
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C. |
Integers, Rationals, and Reals |
D. |
Irrationals and Reals |
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Hint |
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11. |
A line of fit is drawn on a scatter plot showing the number of pets owned by automobile owners and the number of miles driven each month. What would probably be the best description of the slope of this line? |
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A. |
negative |
B. |
positive |
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C. |
undefined |
D. |
zero |
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Hint |
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12. |
What is true about a system of equations in three variables that has 1 solution? |
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A. |
planes intersect in the same plane |
B. |
planes have no points in common |
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C. |
planes intersect in one line |
D. |
planes intersect in one point |
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Hint |
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13. |
Given that   and  use the fact that  to find AB + AC. |
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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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14. |
Solve 0 = x2 + 4x + 5 by graphing. |
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A. |
no real roots |
B. |
–1, 5 |
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C. |
2 |
D. |
1, –5 |
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Hint |
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15. |
If a perfect square is equal to a constant, what is the best method to solve the quadratic equation? |
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A. |
Square Root Property |
B. |
Factoring |
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C. |
Completing the Square |
D. |
Quadratic Formula |
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Hint |
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16. |
Graph  . Then estimate the coordinates at which the relative maxima and relative minima occur. |
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A. |
minimum: –3,maximum: 1 |
B. |
minimum: –5,maximum: 1 |
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C. |
minimum: 1, maximum: –3 |
D. |
minimum: 1,maximum: –5 |
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Hint |
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17. |
Write the expression  in quadratic form. |
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A. |
 |
B. |
cannot be done, since  |
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C. |
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D. |
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Hint |
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18. |
Solve x4 – 625 = 0 |
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A. |
5, 5i |
B. |
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C. |
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D. |
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Hint |
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19. |
Which expression cannot be written in quadratic form? |
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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. |
The amount of money spent at a grocery store can be expressed as a square root function,  , where x is the number of groceries, and f(x) is the amount of money spent. If Eugene buys 12 items, how much money should he expect to spend? |
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A. |
$169 |
B. |
$9.92 |
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C. |
$13 |
D. |
$20 |
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Hint |
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