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1. |
Insert parentheses to make the equation 9 + 6 × 2 ÷ 3 - 1 = 12 true. |
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A. |
(9 + 6 × 2) ÷ 3 - 1 = 12 |
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B. |
9 + (6 × 2) ÷ 3 - 1 = 12 |
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C. |
9 + 6 × 2 ÷ (3 - 1) = 12 |
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D. |
(9 + 6) × 2 ÷ 3 - 1 = 12 |
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Hint |
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2. |
What is the value of 6[(7 + 4) - 2(5 - 3)]? |
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A. |
72 |
B. |
42 |
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C. |
48 |
D. |
88 |
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Hint |
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3. |
Evaluate p - (-13) if p = -6. |
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A. |
7 |
B. |
-19 |
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C. |
-7 |
D. |
19 |
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Hint |
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4. |
Solve the formula I = prt, if p = 525, r = 0.04, and t = 2. |
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A. |
21 |
B. |
420 |
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C. |
42 |
D. |
210 |
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Hint |
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5. |
Which number is not a factor of 315? |
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A. |
3 |
B. |
5 |
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C. |
9 |
D. |
2 |
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Hint |
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6. |
Choose the false statement. |
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A. |
No odd numbers are divisible by 4. |
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B. |
All multiples of 9 are divisible by 3 because 9 = 3 × 3. |
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C. |
If a number is divisible by 2 then it is divisible by 4 because 4 = 2 × 2. |
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D. |
Since 10 = 2 × 5, a number divisible by 10 is also divisible by 2 and by 5. |
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Hint |
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7. |
Find 32 · 34. |
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A. |
32 |
B. |
39 |
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C. |
36 |
D. |
38 |
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Hint |
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8. |
What is the value of r in the equation -21.7 = -6.2r? |
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A. |
3.5 |
B. |
-15.5 |
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C. |
-27.9 |
D. |
0.29 |
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Hint |
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9. |
Write  as a percent. |
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A. |
0.72% |
B. |
72% |
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C. |
7.2% |
D. |
0.072% |
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Hint |
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10. |
A new manufacturing process requires 45 minutes to produce a piece of furniture. If the old process took 1 hour and 20 minutes, what is the percent of change in production time? |
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A. |
77.8% increase |
B. |
43.75% decrease |
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C. |
77.8% decrease |
D. |
43.75% increase |
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Hint |
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11. |
Find the range of the relation graphed below. |
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A. |
{-3, -1, 0, 1, 3, 4} |
B. |
{-3, 0, 1, 3} |
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C. |
{-1, 0, 4, 5} |
D. |
{-3, -1, 1, 3, 4} |
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Hint |
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12. |
Subtract 6 – 12. |
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A. |
6 |
B. |
18 |
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C. |
-18 |
D. |
-6 |
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Hint |
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13. |
Evaluate x – y + z if x = 12, y = 20, and z = -9. |
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A. |
-41 |
B. |
23 |
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C. |
1 |
D. |
-17 |
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Hint |
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14. |
Solve 6r – 2r + 15 = -25. |
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A. |
r = 10 |
B. |
r = -40 |
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C. |
r = -10 |
D. |
r = 40 |
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Hint |
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15. |
Write the prime factorization of 500. |
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A. |
5 · 102 |
B. |
22 · 53 |
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C. |
23 · 52 |
D. |
24 · 52 |
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Hint |
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16. |
Find the GCF of 3x2y2 and 15xy. |
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A. |
3x2y2 |
B. |
3xy2 |
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C. |
3x2y |
D. |
3xy |
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Hint |
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17. |
Find the GCF of 17r4s4 and 23rs4. |
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A. |
r4s4 |
B. |
rs |
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C. |
rs4 |
D. |
17rs4 |
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Hint |
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18. |
Which fraction is  written in simplest form? |
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A. |
 |
B. |
 |
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C. |
x2yz |
D. |
Already simplified |
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Hint |
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19. |
Suppose a number cube is rolled. What is the probability of rolling a number greater than 4? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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20. |
Suppose two number cubes are rolled. Find the probability of rolling a sum that is greater than or equal to 11. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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