Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Express 6 cups to 4 quarts as a fraction in simplest form.
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2.
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Express the ratio 6 ounces to 3 cups as a fraction in simplest
form.
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3.
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Express 423 miles every 9 hours as a unit rate.
a. | 3807 mi/h | c. | 47 mi/h | b. | 74 mi/h | d. | 4.7 mi/h |
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4.
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Which of the following has the same unit rate as 3 cans for $1.98?
a. | 2 cans for $1.32 | c. | 6 cans for $4 | b. | 5 cans for $5.90 | d. | 4 cans for
$3.60 |
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5.
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Which of the following is the same rate as 8 liters per minute?
a. | 2 gal/min | c. | 16 gal/min | b. | 4 gal/min | d. | 30 gal/min |
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6.
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Which of the following shows the correct metric approximation for 10
ounces?
a. | 0.4 gram | c. | 28.5 grams | b. | 2.9 grams | d. | 283.5 grams |
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7.
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It costs $50 to rent a kayak for 4 hours. If the cost is proportional to the
number of hours rented, which of the following is not an equivalent rate?
a. | $25 for 2 hours | c. | $60 for 5 hours | b. | $37.50 for 3 hours | d. | $75 for 6 hours |
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8.
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Which sets of numbers are proportional?
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9.
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What value of y makes = a
proportion?
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10.
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A soup recipe calls for 2 pounds of rice for 25 servings. How many pounds are
needed for 30 servings?
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11.
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A camper can buy 5 bundles of firewood for $40. Which equation could be used to
find the total cost c if a camper wants to buy 3 bundles of firewood?
a. | c = 5 8 | c. | c = 3
40 | b. | c = 3 8 | d. | c = 5
1.4 |
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12.
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Felino used a scale of 1 inch = 2 feet to construct a scale model of his
kitchen. The refrigerator in the model has a height of 3 inches. What is the actual height of the
refrigerator?
a. | 1.5 feet | c. | 6 feet | b. | 3 feet | d. | 9 feet |
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13.
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Suppose a model of the Queen Mary is 17 inches in length. The actual
length of the Queen Mary is 1020 feet. What is the scale of the model?
a. | 1 ft = 60 in. | c. | 60 in. = 60 ft | b. | 1 in. = 60 ft | d. | 60 in. = 1020
ft |
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14.
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A map has a scale of inch = 250 miles. How many inches
on the map would represent 750 miles?
a. | inch
| c. | 3 inches | b. |
inch | d. | 12
inches |
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Use the similar triangles below.
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15.
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Find the value of x.
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16.
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Find the value of .
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17.
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Let W( 4, 8) be a point on quadrilateral
WXYZ. What are the coordinates of W' if the quadrilateral is dilated by a scale
factor of ?
a. | (2, 4) | c. | (8, 16) | b. | (2, 4) | d. | (2, 8) |
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18.
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In the coordinate graph below, quadrilateral JKLM was dilated to form
quadrilateral J' K' L' M'. Which number best represents
the scale factor used to change the quadrilateral?
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19.
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At the same time a 15-foot pole casts a 7.5-foot shadow, a nearby tree casts a
24-foot shadow. How tall is the tree?
a. | 15 feet | c. | 24 feet | b. | 22 feet | d. | 48 feet |
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20.
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At the same time a 5.5-foot person casts a 22-foot shadow, a nearby tree casts a
44-foot shadow. How tall is the tree?
a. | 5.5 feet | c. | 12 feet | b. | 11 feet | d. | 48 feet |
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Short Answer
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21.
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Photocopiers can produce copies that are larger or smaller than the original. In
terms of the original, describe what happens when a copy is dilated by a scale factor of 1.2.
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