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1. |
A mathematical sentence that uses < and > to compare two expressions is called a(n) ______. |
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A. |
inequality |
B. |
equation |
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C. |
expression |
D. |
variable sentence |
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Hint |
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2. |
Find the sum -6.25 + (-1.3). |
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A. |
-7.55 |
B. |
-4.95 |
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C. |
4.95 |
D. |
7.55 |
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Hint |
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3. |
Evaluate d - c if d = 1.7 and c = -3.8. |
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A. |
-5.5 |
B. |
5.5 |
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C. |
-2.1 |
D. |
2.1 |
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Hint |
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4. |
 |
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A. |
8 in. |
B. |
6 in. |
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C. |
7 in. |
D. |
9 in. |
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Hint |
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5. |
Solve the equation x - =  |
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A. |
-1 |
B. |
 |
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C. |
1 |
D. |
 |
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Hint |
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6. |
A solution set that has no members is called the _______. |
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A. |
variable set |
B. |
replacement set |
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C. |
empty set |
D. |
zero set |
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Hint |
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7. |
To model the equation x + (-3) = 6 using algebra tiles, which tiles should you use on the left side of the mat? |
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A. |
one green rectangular tile and 3 red square tiles |
B. |
one yellow square tile and 3 red square tiles |
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C. |
one green rectangular tile and 3 yellow square tiles |
D. |
one red square tile and 3 yellow square tiles |
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Hint |
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8. |
Liana wants to buy bagels at the grocery store. There are four brands for her to pick from, all of which have the same size and type of bagels. Use the chart to decide which bag of bagels would be the best buy for Liana. |
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A. |
Lotsa' Bagels Inc. |
B. |
Bagellicious Bagels |
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C. |
Rock's Bagels |
D. |
Loaner's Bagels |
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Hint |
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9. |
Jessica was hanging out at home with her dog Chelsea, who was looking out the window. She noticed that Chelsea barked 5 times when a squirrel walked by, 12 times when a woman walked by, 14 times when a man walked by, 10 times when a dog walked by, and 3 times when a leaf blew by. What was the mean, or average, number of times Chelsea barked when something passed the window? |
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A. |
9.5 barks |
B. |
11.2 barks |
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C. |
14.6 barks |
D. |
8.8 barks |
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Hint |
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10. |
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. |
Taina |
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C. |
Odell |
D. |
Candace |
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Hint |
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11. |
Choose the solution of 8 –  = 6 if the replacement set is {2, 4, 6, 8}. |
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A. |
6 |
B. |
8 |
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C. |
2 |
D. |
4 |
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Hint |
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12. |
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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13. |
Which equation below is not an example of the Subtraction Property of Equality? |
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A. |
If x = 3, then x – 4 = 3 – 4. |
B. |
If x = 0, then x – 4 = 0 – 4. |
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C. |
If x = -5, then x – 2 = -5 – 2. |
D. |
If x = 2, then x = 3 – 1. |
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Hint |
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14. |
Solve |c + 3| – 4 = -2 |
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A. |
no solution |
B. |
-1 or 5 |
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C. |
1 or 5 |
D. |
-1 or -5 |
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Hint |
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