Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Find: 
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2.
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Due to melting snow and heavy rains, a river’s flow reached a high of
40,500 cubic feet per second before decreasing. Five months later, the river flowed at 5700 cubic
feet per second. What was the average change in river flow for each month?
a. | –6960 cubic feet per second | c. | –9240 cubic feet per
second | b. | 6960 cubic feet per second | d. | –34,800 cubic feet per second |
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3.
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The table shows the amount of merchandise sold by a store.What was the average
change in the number of digital cameras sold in each of the five years from 1995 to 2000? Type of Merchandise | 1995 | 2000 | 35 mm cameras | 1534 | 1753 | digital
cameras | 152 | 1197 | camcorders | 439 | 515 | | | |
a. | 269.8 digital cameras | c. | –209 digital cameras | b. | 239.4 digital
cameras | d. | 209 digital
cameras |
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4.
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Assume that the table shows the number of acres in a rural county planted in
orchards. What is the average change in acres of pear orchards for the eight years from 1992 to
2000? Type of Orchard | 1992 | 2000 | Apple | 5258 | 4890 | Pear | 6865 | 5921 | Cherry | 2823 | 3035 | | | |
a. | –118 acres | c. | –46 acres | b. | –944 acres | d. | –1598.25
acres |
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5.
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The stock of a certain company was valued at 54 points. Twelve months later, the
same stock was valued at 30 points. What was the average change in the value of the stock for each of
the last twelve months?
a. | -2 points | c. | -4.5
points | b. | -7 points | d. | -2.5
points |
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6.
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The strip of land between a cliff and a coastal highway is shrinking due to
erosion. Suppose that the land between the cliff and the highway in one section shrank from a width
of 66 feet to a width of 48 feet over a period of six years. What was the average change in width of
the land between the cliff and the highway for each year?
a. | -19 ft | c. | 3 ft | b. | -3 ft | d. | 19 ft |
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7.
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Find the quotient.  a. | 0.13 | c. | 1.30 | b. |  | d. | 1.13 |
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8.
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Find the quotient. 
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9.
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Find the quotient. 
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10.
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Simplify.  a. | 1 + 7x | c. | 1 + 14x | b. | 8x | d. | 2 + 7x |
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11.
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Find 18  (-  ).
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12.
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Simplify  . a. | 3x + 2 | c. | - x + 2 | b. | -3x + 2 | d. |  x - 2 |
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Short Answer
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13.
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Divide: 
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14.
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Due to melting snow and heavy rains, a river’s flow reached a high of
35,600 cubic feet per second before decreasing. Six months later, the river flowed at 4700 cubic feet
per second. What was the average change in river flow for each month?
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15.
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The table shows the amount of merchandise sold by a store.What was the average
change in the number of digital cameras sold in each of the five years from 1995 to 2000? | Type of
Merchandise | 1995 | 2000 | 35 mm
cameras | 1273 | 1435 | digital cameras | 212 | 1082 | camcorders | 388 | 527 | | | |
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16.
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Assume that the table shows the number of acres in a rural county planted in
orchards. What is the average change in acres of apple orchards for the eight years from 1992 to
2000? | Type of
Orchard | 1992 | 2000 | Apple | 6228 | 5796 | Pear | 6524 | 5988 | Cherry | 3060 | 3478 | | | |
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17.
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The stock of a certain company was valued at 34 points. Twelve months later, the
same stock was valued at 22 points. What was the average change in the value of the stock for each of
the last twelve months?
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18.
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The strip of land between a cliff and a coastal highway is shrinking due to
erosion. Suppose that the land between the cliff and the highway in one section shrank from a width
of 59 feet to a width of 31 feet over a period of seven years. What was the average change in width
of the land between the cliff and the highway for each year?
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19.
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Find the quotient. 
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