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1. |
The most efficient strategy to use in solving multi-step equations is to ______. |
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A. |
guess and check |
B. |
work backward |
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C. |
make a table |
D. |
draw a diagram |
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Hint |
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2. |
Solve the equation 12 + 2.5x = -16. |
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A. |
-11.2 |
B. |
1.6 |
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C. |
11.2 |
D. |
-1.6 |
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Hint |
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3. |
Find three consecutive odd integers whose sum is -45. |
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A. |
-21, -19, -17 |
B. |
-17, -15, -13 |
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C. |
-16, -15, -14 |
D. |
13, 15, 17 |
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Hint |
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4. |
Solve the equation 2u + 3 = -1. |
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A. |
u = -2 |
B. |
u = 4 |
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C. |
u = -8 |
D. |
u = 1 |
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Hint |
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5. |
Beth wants to buy her brother a birthday present. She has $27 that she wants to spend on the gift. She decides to go to the mall to buy him some CD's. If the CD's are all on sale for $5.99 (after tax), and she can have all of them gift-wrapped for a flat rate of $3.00, how many CD's can she buy and have gift-wrapped? |
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A. |
7 CD's |
B. |
6 CD's |
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C. |
4 CD's |
D. |
5CD's |
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Hint |
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