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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 3s(t +11) - 6r if r = 21, s = 9, and t = 11? |
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A. |
531 |
B. |
480 |
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C. |
468 |
D. |
175 |
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Hint |
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3. |
Evaluate i + (j + k) if i = 14, j = 8, and k = 16. |
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A. |
50 |
B. |
38 |
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C. |
42 |
D. |
28 |
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Hint |
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4. |
A mathematical sentence like b - 432 = 197 is called a(n) ______. |
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A. |
variable |
B. |
solution |
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C. |
evaluation |
D. |
equation |
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Hint |
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5. |
Two numbers grouped together like (2, 5) are called ______. |
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A. |
y-coordinates |
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B. |
x-coordinates |
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C. |
an ordered pair |
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D. |
a coordinate system |
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Hint |
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6. |
Name the ordered pair for point A. |
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A. |
(4, 1) |
B. |
(4, 2) |
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C. |
(2, 4) |
D. |
(1, 4) |
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Hint |
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7. |
Translate ''a product of a number and seven is 49'' into an equation. |
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A. |
 49 |
B. |
x + 7 = 49 |
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C. |
7x = 49 |
D. |
x - 7 = 49 |
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Hint |
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8. |
Which value for b makes the inequality
 true? |
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A. |
none of these |
B. |
6 |
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C. |
5 |
D. |
7 |
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Hint |
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9. |
What is the most popular computer use among the teens surveyed? |
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 |
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A. |
games |
B. |
chat |
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C. |
education |
D. |
homework |
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Hint |
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10. |
The set of whole numbers and their opposites are known as ______. |
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A. |
integers |
B. |
negative numbers |
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C. |
absolute values |
D. |
positive numbers |
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Hint |
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11. |
Simplify |–13| – |5|. |
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A. |
–18 |
B. |
18 |
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C. |
8 |
D. |
–8 |
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Hint |
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12. |
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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13. |
What is the sum of –32 and –16? |
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A. |
2 |
B. |
–2 |
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C. |
–48 |
D. |
–16 |
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Hint |
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14. |
Simplify the expression 12n + (-5n) + 3n. |
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A. |
10n |
B. |
7n |
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C. |
-20n |
D. |
-4n |
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Hint |
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15. |
Solve the equation 6 + (–2) + (–8) = r. |
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A. |
–16 |
B. |
–4 |
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C. |
0 |
D. |
2 |
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Hint |
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16. |
Find the difference of (–2) and 5. |
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A. |
3 |
B. |
–7 |
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C. |
–3 |
D. |
7 |
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Hint |
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17. |
Simplify (-16c) - (-4c). |
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A. |
-20c |
B. |
-12c |
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C. |
12c |
D. |
20c |
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Hint |
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18. |
Find the tenth term of the pattern
0, 1, 4, 9, 16, 25, 36, … . |
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A. |
49 |
B. |
81 |
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C. |
100 |
D. |
64 |
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Hint |
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19. |
For the sequence 0, -1, 2, -3, 4, -5, …, what would you add to the 7th term to find the 8th term? |
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A. |
15 |
B. |
-9 |
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C. |
-13 |
D. |
11 |
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Hint |
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20. |
Solve d = (–3)(–12). |
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A. |
36 |
B. |
–36 |
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C. |
4 |
D. |
–4 |
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Hint |
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