Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Find the unit rate.
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1.
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232 miles in 4 hours
a. | 62 miles per hour | c. | 56 miles per hour | b. | 58 miles per hour | d. | 61 miles per
hour |
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2.
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$3.60 for 20 ounces
a. | $0.16 per ounce | c. | $0.22 per ounce | b. | $0.18 per ounce | d. | $0.13 per ounce |
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3.
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Use a graph to tell whether x and y are in a proportional
relationship.
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4.
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Use a graph to tell whether x and y are in a proportional
relationship.
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Use the table to write a proportion.
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5.
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| | Triangle 1 | Triangle 2 | | Base (inches) | b | 4 | | Height (inches) | 6 | 11 | | | |
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6.
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| | Race 1 | Race 2 | | Meters | 40 | 60 | | Seconds | 8 | s | | | |
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Use the Cross Products Property to solve the proportion.
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7.
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a. | s = 38 | c. | s = 36 | b. | s = 35 | d. | s = 32 |
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8.
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a. | n = 4 | c. | n = 208 | b. | n = 14 | d. | n = 16 |
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9.
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You are planning a party. Your friend tells you how much she paid for five party
grab bags. How much will it cost you to buy eight of the grab bags for your
party?
 a. | $31.50 | c. | $45.50 | b. | $140.00 | d. | $28.00 |
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Short Answer
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Tell whether the ratios form a proportion.
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1.
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2.
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Graph the line that passes through the two points. Then find the slope of the
line.
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3.
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(0, 0), (2, 2)
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4.
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(6, 3), (–2, –1)
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5.
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What is the slope of the ski hill? 
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Tell whether x and y show direct variation. Explain your
reasoning. If so, find k.
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6.
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7.
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8.
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9.
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The table shows your earnings y for x hours of work. Tell whether
x and y show direct variation. x | 2 | 5 | 8 | 11 | y | $17.00 | $42.50 | $68.00 | $93.50 | | | | | |
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