SOLUTION: Hi, Suppose y varies directly with x. Write an equation relating x and y. y = -6 when x = -2 Thank you, Andy 7th grade (8th grade math)

Algebra ->  Equations -> SOLUTION: Hi, Suppose y varies directly with x. Write an equation relating x and y. y = -6 when x = -2 Thank you, Andy 7th grade (8th grade math)      Log On


   

Question 176768This question is from textbook Pre-Algebra
: Hi,
Suppose y varies directly with x. Write an equation relating x and y.
y = -6 when x = -2
Thank you,
Andy 7th grade (8th grade math) This question is from textbook Pre-Algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Suppose y varies directly with x.
Write an equation relating x and y.
y = kx
------------------------
y = -6 when x = -2
If y = -6 when x = -2, then:
-6 = k*-2
k = 3
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Cheers,
Stan H.