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1. |
Use the distributive property to rewrite 3(5 + y) without parentheses. |
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A. |
8 + y |
B. |
15 + y |
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C. |
15 + 3y |
D. |
8 + 3y |
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Hint |
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2. |
Which statement illustrates the commutative property of addition? |
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A. |
(5 + 3) + 6 = (3 + 5) + 6 |
B. |
(5 + 3) + 6 = 5 + (3 + 6) |
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C. |
(5 + 3) + 6 = 14 |
D. |
(5 + 3) + 6 = 8 + 6 |
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Hint |
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3. |
State the additive inverse of -32. |
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A. |
1 |
B. |
32 |
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C. |
0 |
D. |
-32 |
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Hint |
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4. |
Evaluate  when x = 15 and y = 15. |
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A. |
225 |
B. |
-225 |
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C. |
15 |
D. |
-15 |
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Hint |
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5. |
Solve  |
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A. |
n =  |
B. |
n =  |
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C. |
n = 9 |
D. |
n = 2 |
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Hint |
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6. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
1 |
B. |
8 |
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C. |
9.4 |
D. |
9 |
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Hint |
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7. |
If the number 178,651 is rounded to 179,000 and plotted on a stem-and-leaf plot as 17|9, how would you display 151,205? |
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A. |
151|2 |
B. |
15|1 |
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C. |
15|2 |
D. |
1|51 |
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Hint |
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8. |
What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
4:5 |
B. |
4:7 |
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C. |
2:5 |
D. |
2:7 |
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Hint |
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9. |
What are the odds of not selecting a black ace from a standard deck of 52 cards? |
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A. |
25:1 |
B. |
25:26 |
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C. |
26:1 |
D. |
1:25 |
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Hint |
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10. |
Evaluate  . |
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A. |
4 |
B. |
2 |
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C. |
3 |
D. |
1 |
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Hint |
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11. |
Evaluate 2 × 17 × 5. |
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A. |
190 |
B. |
170 |
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C. |
180 |
D. |
160 |
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Hint |
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12. |
Identify the hypothesis in the following algebraic statement:
If 3x + 10 = 13, then x = 1. |
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A. |
x = 1 |
B. |
3x + 10 |
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C. |
3x |
D. |
3x + 10 = 13 |
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Hint |
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13. |
Which values are a counterexample to the given statement?
If x × y = 0, then x must be 0. |
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A. |
x = 5, y = 0 |
B. |
x = -1, y = 1 |
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C. |
x = 0, y = 0 |
D. |
x = 0, y = 1 |
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Hint |
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14. |
Draw a graph of the ordered pairs in the table. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
Find 5(-20). |
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A. |
100 |
B. |
-100 |
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C. |
-15 |
D. |
25 |
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Hint |
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16. |
Simplify |
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A. |
-7 – 2n |
B. |
-7 – 12n |
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C. |
7 – 2n |
D. |
7 – 12n |
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Hint |
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17. |
Solve c + 149 = 213. |
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A. |
c = 362 |
B. |
c = 64 |
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C. |
c = -362 |
D. |
c = -64 |
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Hint |
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18. |
Solve 9x – 11 = -56. |
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A. |
x = 405 |
B. |
x = 5 |
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C. |
x = -405 |
D. |
x = -5 |
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Hint |
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19. |
A department store is having a 30% off sale for all clothing items. What is the discount price of a pair of blue jeans that normally cost $39.99? |
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A. |
$27.99 |
B. |
$11.98 |
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C. |
$29.99 |
D. |
$25.99 |
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Hint |
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20. |
Hakan has 50 milliliters of a 10% acid solution. How many milliliters of 45% acid solution should he add to create a 35% acid solution? |
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A. |
125 milliliters |
B. |
97 milliliters |
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C. |
100 milliliters |
D. |
78 milliliters |
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Hint |
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