Direct Variation Problems

Quiz
•
Mathematics
•
8th Grade
•
Easy
Standards-aligned
Kellia Thomas
Used 1+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heather’s weekly pay varies directly with the number of hours that she works at the record store. Heather is paid $174 for 24 hours of work. Find the amount of pay for 40 hours of work.
Hint: Set up a proportion
$960
$250
$300
$290
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eduardo counted 10 seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. If he counted 4 seconds between the next flash and the thunder, about how far away was the lightning?
Hint: Set up a proportion.
1.5 miles
0.8 miles
5 miles
20 miles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A person’s weekly pay varies directly to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What would Shawn’s pay be if he worked for 31 hours?
Hint: Set up a proportion
$180.50
$620.00
$190.65
$210.75
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distance a rabbit can run varies directly to the amount of minutes the rabbit runs. At top speed, a rabbit can cover 7 miles in 12 minutes. If a rabbit could continue at this pace, how long will it take the rabbit to cross the 220-mile expanse of the Mojave Desert?
Hint: Set up a proportion; round if needed.
377.14 minutes
400 minutes
84 minutes
2.62 minutes
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
The amount of water a dishwasher uses varies directly with the number of loads of dishes it washes. If a dishwasher uses 65 gallons of water to wash 5 loads of dishes, it uses _____ gallons of water to wash 12 loads of dishes.
Tags
TEKS.MATH.7.4C
TEKS.MATH.7.4A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
y varies directly as x. If x = 5 when y = 12, find x when y = 30.
Hint: Set up a proportion.
15
10
12.5
20
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
y varies directly as x. If x = 4 when y = 12, what is the value of y when x = 7? The value of y is _____
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