SOLUTION: I need help with this problem In Exercises 14-29, y varies directly as x. Find the constant of variation, and write an equation of direct variation that relates the two variable

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Question 72190This question is from textbook Algebra 2
: I need help with this problem
In Exercises 14-29, y varies directly as x. Find the constant of variation, and write an equation of direct variation that relates the two variables.
16. y= -16 when x = 2
This question is from textbook Algebra 2

Answer by stanbon(48545) (Show Source):
You can put this solution on YOUR website!
y varies directly as x.
Therefore y=kx
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Find the constant of variation, and write an equation of direct variation that relates the two variables.
16. y= -16 when x = 2
If y=-16 when x=2 then:
-16 = k(2)
k=-8
k is the constant of variation.
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Cheers,
Stan H.