Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Simplify.
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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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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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Find  .
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12.
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Find  .
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13.
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Find  .
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Solve the equation. Check your solution(s).
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14.
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a. | b = –18 | c. | b = 54 | b. | b = 9 | d. | b = 18 |
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15.
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a. | m = 6, m = –4 | c. | m = 6, m =
4 | b. | m = –6, m = –4 | d. | m = –6, m =
4 |
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16.
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a. | w = 7, w = 14 | c. | w = 0, w =
–7 | b. | w = 0, w = 7 | d. | w = 0, w = 14 |
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17.
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a. | a = 5, a = –7 | c. | a = 5, a =
7 | b. | a = –5, a = –7 | d. | a = –5, a =
7 |
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18.
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a. | y = –9 | c. | y = 0 | b. | y = –1 | d. | y = 9 |
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19.
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a. | x = 4 | c. | x = 4, x = 1 | b. | x = –4,
x = –1 | d. | x = –4 |
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Other
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1.
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Extended Response The revenue R (in thousands of dollars) and the
average ticket price P (in dollars) for a concert can be modeled by  and
 , where x is the number of years since 2000. ( Note: revenue = tickets sold
´ ticket price) a. Write a function that models the number
T of tickets sold as a function of time. b. In what year will this model become
invalid? Explain your reasoning.
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