Direct variation
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
Wayground Content
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22 questions
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1.
FLASHCARD QUESTION
Front
Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the constant of variation?
Back
k = 5
Tags
CCSS.HSF-LE.A.1B
2.
FLASHCARD QUESTION
Front
A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the constant of variation?
Back
k = 6.15
Tags
CCSS.HSF-LE.A.1B
3.
FLASHCARD QUESTION
Front
At top speed, a rabbit can cover 7 miles in 12 minutes. What is the constant of variation?
Back
k = 7/12
Tags
CCSS.HSF-LE.A.1B
4.
FLASHCARD QUESTION
Front
A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?
Back
k = 13
Tags
CCSS.HSF-LE.A.1B
5.
FLASHCARD QUESTION
Front
The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?
Back
$308
6.
FLASHCARD QUESTION
Front
In a direct variation, y=39 when x=3. Find the value of y when x=2.
Back
26
Tags
CCSS.HSF-LE.A.1B
7.
FLASHCARD QUESTION
Front
Is this a direct variation?
y=2x
Back
yes
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