Each pair of values is from direct variation, how do you find the missing value for (3,7) (8,y)?

1 Answer
Jim G.
Jul 4, 2018

y=56/3

Explanation:

"the initial statement is "ypropx

"to convert to a equation multiply by k the constant"
"of variation"

y=kx

"to find k use the given condition"

(3,7)rArrx=3,y=7

y=kxrArrk=y/x=7/3

"the equation is "y=7/3x

"when "x=8" then"

y=7/3xx8=56/3

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