Multiple Choice Identify the
choice that best completes the statement or answers the question.
|
|
|
Use the table to find the rate.
|
|
1.
|
Minutes | 0 | 1 | 2 | 3 | Gallons | 0 | 1.4 | 2.8 | 4.2 | | | | | |
a. | 2.8 minutes per gallon | c. | 1.4 gallons per minute | b. | 1.4 minutes per
gallon | d. | 2.8 gallons per
minute |
|
|
2.
|
Batches | 5 | 10 | 15 | 20 | Servings | 12.5 | 25 | 37.5 | 50 | | | | | |
a. | 12.5 batches per serving | c. | 12.5 servings per
batch | b. | 2.5 batches per serving | d. | 2.5 servings per batch |
|
|
3.
|
Gallons | 4 | 9 | 14 | 19 | Miles | 94.4 | 212.4 | 330.4 | 448.4 | | | | | |
a. | 94.4 miles per gallon | c. | 23.6 gallons per mile | b. | 94.4 gallons per
mile | d. | 23.6 miles per
gallon |
|
|
4.
|
At 7 P.M., a burning candle is 16 inches
tall. At 9:30 P.M., the candle is only 4.75 inches tall. At what
rate is the height of the candle decreasing?
a. | 1.9 in. per h | c. | 6.4 in. per h | b. | 11.25 in. per h | d. | 4.5 in. per h |
|
|
|
Find the slope of the line.
|
|
5.
|
a. | 3 | c. | | b. | 5 | d. | |
|
|
6.
|
a. | | c. | 4 | b. | | d. | 1 |
|
|
|
Use the table to write a proportion.
|
|
7.
|
| Race 1 | Race 2 | Meters | 40 | 120 | Seconds | 7 | s | | | |
|
|
|
Solve the proportion using multiplication.
|
|
8.
|
a. | x = 33 | c. | x = 36 | b. | x = 37 | d. | x = 32 |
|
|
9.
|
a. | y = 12 | c. | y = 8 | b. | y = 11 | d. | y = 9 |
|
|
10.
|
a. | n = 28 | c. | n = 31 | b. | n = 15.8 | d. | n = 25 |
|
|
11.
|
|
|
12.
|
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 nine of the grab bags for your
party?
a. | $12.00 | c. | $21.00 | b. | $67.50 | d. | $13.50 |
|
|
|
Solve.
|
|
13.
|
a. | b = 185 | c. | b = 33 | b. | b = 35 | d. | b = 37 |
|
|
14.
|
a. | c = 5 | c. | c = 6 | b. | c = 9 | d. | c = 7 |
|
|
15.
|
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 |
|
|
|
The variables x and y vary inversely. Write an equation
relating x and y.
|
|
16.
|
|
Numeric Response
|
|
|
Solve the proportion using the Cross Products Property.
|
|
1.
|
|
|
2.
|
|
Short Answer
|
|
|
Tell whether the ratios form a proportion.
|
|
1.
|
|
|
2.
|
Explain how to rewrite the equation as a proportion. Then write the
proportion.
|