Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Evaluate u + xy, for u = 18, x = 10, and y =
8.
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2.
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Evaluate the expression  for a = 4 and b =
3.
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3.
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Evaluate  for x = –2 and y = 3.
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Simplify the expression.
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4.
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5.
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6.
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–9 + 6
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7.
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–4.8 – (–4.9) + 5.7
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8.
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9.
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10.
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11.
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12.
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3.7 – 1.8 – 3.67 + 4.4 – 1.34
a. | –7.51 | b. | –1.29 | c. | 1.29 | d. | 8.63 |
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13.
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14.
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Write  ,  ,  in order from
least to greatest.
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15.
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16.
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Evaluate –x + 2.7 for x = 0.9.
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17.
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Evaluate b – 2a – c for a = –7,
b = 3, and c = –7.
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18.
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Evaluate x(–y + z) for x = 3, y = 3,
and z = 1.
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19.
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–12 ¸ (–2)
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20.
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Evaluate  for a =  and b =
 .
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