Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Simplify the expression.
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1.
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2.
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3.
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4.
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5.
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6.
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Lena buys 4 cans of soft drinks and 12 sandwiches for a picnic. Patrick buys 9
cans of soft drinks and 7 sandwiches for the same picnic. Let c be the cost of a soft drink.
Let s be the cost of a sandwich. Write an expression that represents the total cost.
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7.
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Which of these is another way to write 26?
a. | 2 ´ 2 ´ 2 ´ 2 ´ 2 ´
2 | c. | 2
+ 2 + 2 + 2 + 2 + 2 | b. | 2 ´
6 | d. | 2 +
6 |
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8.
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What is the equivalent to  ?
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9.
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If  and  ,  , and  , what does  equal?
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10.
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Write 9 × 9 × 9 × 9 × 9 × 9 ×
9 using an exponent.
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11.
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Simplify:  .
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Write the expression using a single exponent.
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12.
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13.
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14.
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15.
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16.
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17.
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Simplify  .
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18.
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Which of the following expressions is equivalent to 3(x + 4) – 6 +
5x?
a. | 3x + 12 – x | c. | 8x –
2 | b. | 8x + 6 | d. | 2x + 6 |
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19.
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–12 ¸ (–2)
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20.
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Combine like terms:  .
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