Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Your family is planning to drive 2620 kilometers on a road trip. How many miles
is the trip?
a. | 1637.5 miles | c. | 1455.56 miles | b. | 4192 miles | d. | 1871.43 miles |
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2.
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The species Myotis lucifugus is commonly known as the “little brown
bat.” An average little brown bat weighs  ounce. As many as 300,000 little brown
bats may share the same roosting location. How many kilograms would 300,000 little brown bats
weigh? a. | 100,000 kg | c. | 2812.5 kg | b. | 13,888.9 kg | d. | 8437.5 kg |
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The variables x and y vary directly. Use the values to
write an equation that relates x and y.
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3.
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y = 27; x = 9
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4.
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Write a direct variation equation that relates x quarts to y
liters. Length | Capacity | Weight and Mass | 1 in.  2.54
cm 1 mi  1.6 km | 1 qt  0.95 L | 1 lb  0.45kg | | | |
a. | x = 0.95y | c. | y =
0.95x | b. | y =  x | d. | y =  x
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5.
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Write a direct variation equation that relates x kilograms to y
pounds. Length | Capacity | Weight and Mass | 1 in.  2.54
cm 1 mi  1.6 km | 1 qt  0.95 L | 1 lb  0.45kg | | | |
a. | y =  x | c. | x =  y | b. | y = 0.45x | d. | y =  x |
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The variables x and y vary inversely. Write an equation
relating x and y.
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6.
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7.
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Numeric Response
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1.
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How long is the sea snake in centimeters? 
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Short Answer
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Complete the statement using < or >.
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1.
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29 ft ? 8 m
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Complete the statement. Round to the nearest hundredth, if
necessary.
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2.
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17 mi  ? km
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3.
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26 mm/sec  ? in./sec
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Tell whether x and y show direct variation. Explain your
reasoning.
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4.
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5.
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6.
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You rent a scooter for two days while you are on vacation. Tell whether x
and y show direct variation. If so, write an equation of direct variation. | Miles,
x | 50 | 30 | | Cost, y | $30 | $24 | | | |
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Tell whether x and y show direct variation, inverse
variation, or neither. Explain your reasoning.
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7.
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