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1. |
Simplify  |
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A. |
27 |
B. |
12 |
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C. |
3 |
D. |
36 |
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Hint |
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2. |
What is another way to write (6 + 7)x? |
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A. |
6(x) × 7(x) |
B. |
6(x) + 7 |
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C. |
6(x) + 7(x) |
D. |
6 + 7(x) |
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Hint |
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3. |
Simplify the expression b + 14b. |
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A. |
14b |
B. |
15b |
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C. |
14b2 |
D. |
13b |
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Hint |
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4. |
Which of the numbers 46, 56, 152, or 162 is a solution of 58 + n = 104? |
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A. |
46 |
B. |
56 |
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C. |
162 |
D. |
152 |
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Hint |
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5. |
Find the value of w if 36w = 144. |
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A. |
108 |
B. |
4 |
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C. |
5184 |
D. |
180 |
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Hint |
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6. |
When a number is decreased by 16, the result is 64. What is the number? |
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A. |
48 |
B. |
4 |
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C. |
80 |
D. |
1024 |
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Hint |
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7. |
Which symbol makes the expression -15 ___ -14 true? |
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A. |
= |
B. |
< |
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C. |
> |
D. |
× |
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Hint |
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8. |
Find an expression to compare |-7| and 7. |
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A. |
|-7| > 7 |
B. |
|-7| < 7 |
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C. |
|-7|  7 |
D. |
|-7| = 7 |
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Hint |
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9. |
Solve the equation 6 + (-2) + (-8) = r. |
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A. |
2 |
B. |
-16 |
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C. |
0 |
D. |
-4 |
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Hint |
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10. |
How do you find successive terms in the pattern 0, 3, 9, 18, 30, … ? |
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A. |
Add each term to the previous term. |
B. |
Multiply a term by 3
and add it to itself. |
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C. |
Add the next multiple
of 3 to the term. |
D. |
Add 3 to each term. |
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Hint |
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11. |
Solve the equation k = (-45) ÷ 3. |
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A. |
-41 |
B. |
41 |
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C. |
15 |
D. |
-15 |
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Hint |
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12. |
Patti's sport utility vehicle averages 20 miles per gallon of gasoline. If she takes a 750-mile trip, how much gasoline will she use? |
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A. |
37.5 gal |
B. |
31.25 gal |
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C. |
34.75 gal |
D. |
41 gal |
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Hint |
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13. |
Choose the false statement. |
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A. |
If a number is divisible by 2 then it is divisible by 4 because 4 = 2 × 2. |
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B. |
No odd numbers are divisible by 4. |
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C. |
All multiples of 9 are divisible by 3 because 9 = 3 × 3. |
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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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14. |
Solve x = 34. |
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A. |
x = 12 |
B. |
x = 81 |
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C. |
x = 64 |
D. |
x = 27 |
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Hint |
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15. |
What is the greatest common factor of 18mn2, 54m4, and 80n3? |
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A. |
18m2n3 |
B. |
9mn |
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C. |
2mn2 |
D. |
2 |
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Hint |
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16. |
What conclusion can you make from the scatter plot? |
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A. |
higher mileage results in greater power |
B. |
there is no correlation between power and mileage |
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C. |
lower mileage gives the greatest power |
D. |
higher power results in low mileage |
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Hint |
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17. |
Multiply –9(-7)(-10). |
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A. |
-26 |
B. |
-630 |
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C. |
160 |
D. |
630 |
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Hint |
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18. |
Simplify –5x(4y). |
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A. |
-xy |
B. |
-20xy |
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C. |
20xy |
D. |
-9xy |
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Hint |
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19. |
Factor 39x2y3. |
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A. |
3 · 13 · x · y · y · y |
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B. |
3 · 13 · x2 · y2 · y |
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C. |
3 · 13 · x · x · y · y · y |
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D. |
39 · x · x · y · y · y |
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Hint |
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20. |
Factor 7x + 21. |
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A. |
x(7 + 21) |
B. |
7(x + 3) |
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C. |
7x(1 + 21) |
D. |
7(x + 21) |
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Hint |
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