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1. |
Any number that can be expressed as a fraction where the numerator and denominator are integers and the denominator is not zero is called a(n) _____. |
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A. |
natural number |
B. |
integer |
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C. |
whole number |
D. |
rational number |
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Hint |
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2. |
A mathematical sentence that uses < and > to compare two expressions is called a(n) ______. |
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A. |
equation |
B. |
inequality |
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C. |
expression |
D. |
variable sentence |
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Hint |
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3. |
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. |
948.5 |
B. |
1777 |
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C. |
2033 |
D. |
1897 |
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Hint |
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4. |
Ten test scores from Mrs. McDaniel's mathematics class are 100, 95, 93, 86, 82, 80, 78, 77, 75, and 75. She calculates the mean, median, and mode of the scores. An eleventh student takes the test with a score of 62. Mrs. McDaniel recalculates the mean, median, and mode of the test scores. Which measure changes the most when the eleventh score is included? |
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A. |
mean |
B. |
median |
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C. |
mode |
D. |
The mean, median, and mode change equally. |
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Hint |
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5. |
 |
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A. |
8 in. |
B. |
9 in. |
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C. |
7 in. |
D. |
6 in. |
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Hint |
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6. |
Solve the equation -2.25 = b + 7.75. |
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A. |
-10 |
B. |
-5.5 |
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C. |
10 |
D. |
5.5 |
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Hint |
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7. |
Solve the equation |z + 7| - 8 = 10. |
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A. |
11 |
B. |
-25 |
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C. |
-9 or -5 |
D. |
-25 or 11 |
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Hint |
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8. |
Find the sum  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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9. |
Find 4.5 + (-2.9) + 3.2. |
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A. |
-4.8 |
B. |
4.8 |
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C. |
10.6 |
D. |
-10.6 |
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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. |
2 |
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C. |
1 |
D. |
0 |
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Hint |
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11. |
Which equation does the model represent? |
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A. |
x + 7 = -4 |
B. |
x + 4 = -7 |
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C. |
x + (-4) = 7 |
D. |
x + (-7) = 4 |
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Hint |
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12. |
Carmen and her friend Marva have a total of 15 pets. If Marva has 12 pets, how many pets does Carmen have? |
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A. |
3 |
B. |
5 |
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C. |
31 |
D. |
27 |
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Hint |
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13. |
Solve the equation g + 14 = -23. |
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A. |
37 |
B. |
-37 |
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C. |
9 |
D. |
-9 |
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Hint |
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14. |
On a ride at an amusement park, each seat is built to hold 200 lb. The seat can safely hold 250 lb more or less than the ideal weight limit. If you are going to sit next to someone who weighs 108 lb, between which two weights must you be to ride the ride? |
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A. |
between 158 lb and 542 lb |
B. |
between 182 lb and 368 lb |
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C. |
between 58 lb and 342 lb |
D. |
between 108 lb and 158 lb |
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Hint |
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