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1. |
The most efficient strategy to use in solving multi-step equations is to ______. |
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A. |
make a table |
B. |
draw a diagram |
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C. |
guess and check |
D. |
work backward |
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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. |
Solve the equation 2u + 3 = -1. |
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A. |
u = 1 |
B. |
u = -8 |
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C. |
u = -2 |
D. |
u = 4 |
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Hint |
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4. |
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. |
4 CD's |
B. |
7 CD's |
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C. |
6 CD's |
D. |
5CD's |
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Hint |
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5. |
Find three consecutive integers whose sum is 27. |
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A. |
10, 11, 12 |
B. |
8, 9, 10 |
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C. |
6, 7, 8 |
D. |
7, 8, 9 |
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Hint |
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