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1. |
Write  and  in order from least to greatest. |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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2. |
The sum of two negative rational numbers is _______. |
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A. |
positive |
B. |
one |
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C. |
negative |
D. |
zero |
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Hint |
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3. |
Find the sum -6.25 + (-1.3). |
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A. |
-7.55 |
B. |
7.55 |
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C. |
-4.95 |
D. |
4.95 |
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Hint |
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4. |
The heights, in feet, of the eight highest waterfalls in the world are 3281, 3000, 2000, 1904, 1650, 1612, 1430, and 1384. Find the range of this data set. |
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A. |
1897 |
B. |
948.5 |
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C. |
1777 |
D. |
2033 |
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Hint |
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5. |
 |
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A. |
7 in. |
B. |
6 in. |
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C. |
9 in. |
D. |
8 in. |
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Hint |
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6. |
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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7. |
A solution set that has no members is called the _______. |
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A. |
empty set |
B. |
replacement set |
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C. |
variable set |
D. |
zero set |
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Hint |
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8. |
Which sentence is not a true sentence? |
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A. |
 >  |
B. |
 >  |
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C. |
12(-4) > -13(4) |
D. |
-15(8) < -16(-2) |
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Hint |
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9. |
On a science test, Odell and his friends got the following scores. Who had the median score of the group? |
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A. |
Cindy |
B. |
Odell |
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C. |
Taina |
D. |
Candace |
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Hint |
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10. |
Choose the solution of 6x + 1 = 7 if the replacement set is {-1, 0, 1, 2}. |
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A. |
1 |
B. |
-1 |
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C. |
0 |
D. |
2 |
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Hint |
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11. |
Which equation does the model represent? |
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A. |
x + 4 = -7 |
B. |
x + (-7) = 4 |
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C. |
x + 7 = -4 |
D. |
x + (-4) = 7 |
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Hint |
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12. |
Solve the equation g + 14 = -23. |
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A. |
-9 |
B. |
9 |
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C. |
37 |
D. |
-37 |
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Hint |
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13. |
Andrew bought a stereo and twelve CD's for $140.38. The CD's cost $107.88. Use the Subtraction Property of Equality to find how much the stereo cost. |
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A. |
$248.26 |
B. |
$48.50 |
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C. |
$349.26 |
D. |
$32.50 |
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Hint |
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14. |
Solve |c + 3| – 4 = -2 |
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A. |
-1 or 5 |
B. |
1 or 5 |
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C. |
-1 or -5 |
D. |
no solution |
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Hint |
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