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1. |
In the expression, 12 · z, the letter z is called the _____ because it stands for an unknown number. |
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A. |
product |
B. |
algebraic expression |
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C. |
variable |
D. |
numerical expression |
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Hint |
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2. |
The graph below can best be described as a _____. |
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A. |
box graph |
B. |
histogram |
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C. |
stem-and-leaf plot |
D. |
line graph |
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Hint |
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3. |
On the graph below, which ordered pair correctly identifies point A? |
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A. |
(-1, 3) |
B. |
(-3, 1) |
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C. |
(1, -3) |
D. |
(1, 3) |
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Hint |
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4. |
In which quadrant does the point (-2, 1) lie? |
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A. |
IV |
B. |
III |
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C. |
II |
D. |
I |
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Hint |
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5. |
When one positive tile is paired with one negative tile, the result is a(n) _____. |
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A. |
algebra tile pair |
B. |
zero pair |
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C. |
additive inverse |
D. |
opposite |
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Hint |
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6. |
Find the difference -8 - (-2). |
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A. |
10 |
B. |
-10 |
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C. |
-6 |
D. |
6 |
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Hint |
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7. |
Find the product -4(5). |
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A. |
-9 |
B. |
-20 |
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C. |
9 |
D. |
20 |
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Hint |
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8. |
The population of a particular town decreased by 6000 people in 4 years. What was the average change in population per year? |
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A. |
24,000 |
B. |
1500 |
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C. |
-24,000 |
D. |
-1500 |
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Hint |
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9. |
The length of the Nile river is 4180 miles. That is 268 miles more than the Amazon river. If l is the length of the Amazon river, which equation represents this situation? |
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A. |
l + 268 = 4180 |
B. |
l + (-268) = 4180 |
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C. |
l = 4180 + 268 |
D. |
l - 268 = 4180 |
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Hint |
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10. |
Solve the equation -2.25 = b + 7.75. |
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A. |
5.5 |
B. |
10 |
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C. |
-5.5 |
D. |
-10 |
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Hint |
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11. |
In 1960, Chile experienced the largest earthquake of the century. The magnitude was 9.5 on the Richter scale. In 1952, Ecuador had the fourth largest earthquake. The magnitude was 0.7 less than the earthquake in Chile. What was the magnitude of the earthquake in Ecuador? |
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A. |
8.8 |
B. |
7.8 |
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C. |
10.2 |
D. |
11.2 |
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Hint |
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12. |
You can show that a statement is false by finding one _____. |
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A. |
associative example |
B. |
closure example |
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C. |
commutative example |
D. |
counterexample |
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Hint |
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13. |
Solve 13a = 5a - 8. |
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A. |
-1 |
B. |
1 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Suppose you need to solve the equation 3 = 2(5x + 1). What is a logical first step in solving this equation? |
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A. |
Use the Substitution Property of Equality. |
B. |
Use the Addition Property of Equality. |
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C. |
Use the Subtraction Property of Equality. |
D. |
Use the Distributive Property. |
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Hint |
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15. |
Selena is making cassette tapes of songs she has written. On Monday she records 8 songs, on Tuesday she records 12 songs, and on Wednesday she records 4 songs. If each song is 5 minutes long and each tape is 60 minutes long, how many tapes has she used so far? |
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A. |
3 tapes |
B. |
2 tapes |
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C. |
1 tape |
D. |
4 tapes |
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Hint |
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16. |
Find the difference 25 – 7. |
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A. |
32 |
B. |
-18 |
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C. |
-32 |
D. |
18 |
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Hint |
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17. |
Evaluate q + r – (-s) if q = 2, r = -1, and s = 4. |
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A. |
5 |
B. |
7 |
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C. |
-5 |
D. |
-7 |
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Hint |
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18. |
Find the sum  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Evaluate  if h =  . |
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A. |
3 |
B. |
10 |
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C. |
 |
D. |
 |
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Hint |
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20. |
Marilyn and Rafael spent the same amount of money on school supplies this year. Marilyn bought 4 notebooks and spent $3 on other school supplies. Rafael bought 5 of the same notebooks and spent $1.75 on other school supplies. How much does one notebook cost? |
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A. |
$0.53 |
B. |
$0.14 |
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C. |
$42.75 |
D. |
$1.25 |
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Hint |
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