Suppose y varies directly with x and y = 72 when x = 6. What direct variation equation relates x and y? What is the value of y when x = 10?

Question

Mathematics

Alyvia Nguyen

14 April, 00:57

Suppose y varies directly with x and y = 72 when x = 6. What direct variation equation relates x and y? What is the value of y when x = 10?

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Answers (2)

Know the Answer?

Leia Randolph · Answer 1

I guess the slope is y/x=72/6=12. SO when x=10 y=12 (10) = 120.

Carlo Leonard · Answer 2

Y=kx is direct varaitoin

72=6k

divide both sides by 6

12=k

y=12x is the equation

when x=10

y=12 (10)

y=120

equation is y=12x

when x=10, y=120