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1. |
What is the multiplicative inverse of  |
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A. |
 |
B. |
4 |
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C. |
 |
D. |
 |
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Hint |
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2. |
Solve  |
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A. |
n = 9 |
B. |
n =  |
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C. |
n = 2 |
D. |
n =  |
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Hint |
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3. |
Solve the proportion  |
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A. |
13 |
B. |
0.02 |
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C. |
24 |
D. |
52.5 |
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Hint |
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4. |
A scale drawing of a room has a scale of 1.75 inches = 1.5 feet. How long is a couch that is 7 inches in the scale drawing? |
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A. |
5 ft |
B. |
6 ft |
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C. |
7 ft |
D. |
8 ft |
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Hint |
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5. |
A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building? |
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A. |
20 ft |
B. |
50 ft |
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C. |
10 ft |
D. |
0.5 ft |
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Hint |
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6. |
In order to save for a new computer and printer, Joseph has a summer job working at the marina where he earns $8.50 per hour. His weekly earnings are listed in the table below. The computer he wants costs $1575, and the printer costs $225. Joseph has to earn at least how much more money, m, in order to be able to afford the computer and printer? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
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A. |
infinitely many solutions |
B. |
one solution at (-6, 0) |
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C. |
no solution |
D. |
one solution at  . |
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Hint |
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8. |
Simplify  Assume the denominator is not equal to zero. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Find the GCF of 54a2, 84ab, and 10c |
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A. |
2abc |
B. |
2 |
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C. |
4 |
D. |
8ab |
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Hint |
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10. |
Factor x2 – 16. |
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A. |
(x – 4)(x – 4) |
B. |
(x + 2)(x – 8) |
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C. |
(x + 4)(x + 4) |
D. |
(x + 4)(x – 4) |
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Hint |
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11. |
Find the equation of the axis of symmetry of the graph of
y = 2x2 - 8x + 5. |
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A. |
x = 2 |
B. |
x = -4 |
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C. |
x = 4 |
D. |
x = -2 |
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Hint |
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12. |
Evaluate a2 - (b + c) if a = 8, b = 17, and c = 21. |
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A. |
12 |
B. |
26 |
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C. |
34 |
D. |
18 |
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Hint |
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13. |
Solve  = x. |
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A. |
x = 10 |
B. |
x = 0 |
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C. |
x = 25 |
D. |
x = 5 |
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Hint |
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14. |
Which values are a counterexample to the given statement?
If x · y = a decimal, then neither x nor y is a whole number. |
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A. |
x = 1, y = 0.5 |
B. |
x = 1.75, y = 0.9 |
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C. |
x = 0.3, y = 0.2 |
D. |
x = 7.1, y = 2.2 |
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Hint |
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15. |
Solve  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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16. |
Find the solution set for y =  x – 3, given the replacement set {(-8, -7), (-5, -5), (0, 3), (4, 5)} |
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A. |
{(-5, -5)} |
B. |
{(-8, -7)} |
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C. |
{(-8, -7), (0, 3)} |
D. |
{(-5, -5), (4, 5)} |
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Hint |
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17. |
Solve –4(10 – n) – 6n > 8(n + 3) – 7n + 2. |
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A. |
n > -6 |
B. |
n < -6 |
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C. |
n < -22 |
D. |
n > -22 |
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Hint |
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18. |
How many real roots exist if the discriminant of the equation = 0? |
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A. |
cannot be determined from given information |
B. |
1 |
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C. |
2 |
D. |
0 |
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Hint |
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19. |
Ricky invested $1000 in an account at 8% interest compounded quarterly. How much money will he have earned on the account after 7 years? |
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A. |
$741.02 |
B. |
$1,741.02 |
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C. |
$1,713.82 |
D. |
$713.82 |
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Hint |
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20. |
Determine the third side measure that will form a right triangle if two of the sides are 9 and 41. |
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A. |
40 |
B. |
27 |
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C. |
does not exist |
D. |
42 |
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Hint |
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