Direct Variation 8.5e

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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10 questions
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1.
FLASHCARD QUESTION
Front
Back
Tags
CCSS.7.RP.A.2B
2.
FLASHCARD QUESTION
Front
The value of y varies directly with x. When y=75, x=1/2. What is the value of y when x is 2.25?
Back
337.5
3.
FLASHCARD QUESTION
Front
Distance Kendrick travels vs. time: 20 minutes for 5 miles.
Back
0.25 mile per minute
Tags
CCSS.HSF-LE.A.1B
4.
FLASHCARD QUESTION
Front
The cost of a pizza varies directly with the length of the diameter. If a pizza with a 12-inch diameter costs $8.64, how much should a pizza with a 16-inch diameter cost?
Back
$11.52
5.
FLASHCARD QUESTION
Front
What is k, the constant of variation? Options: 15, 40, 54, 35
Back
35
Tags
CCSS.HSF-LE.A.1B
6.
FLASHCARD QUESTION
Front
The number of inches a bungee cord stretches varies directly with the number of pounds it holds. One cord stretches 12 inches when a 30-pound object is attached to it. Which table best represents this relationship?
Back
7.
FLASHCARD QUESTION
Front
The number of donuts produced by a machine is directly proportional to the time the machine runs. The machine produces 380 donuts in 20 minutes. How many donuts can the machine produce after running for 45 minutes?
Back
855 donuts
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