How do you write an inverse variation equation that relates x and y when you assume that y varies inversely as x given that if y= -8.5, when x=6, find y when x= -2.5?

Chebenk5

Chebenk5

Answered question

2022-09-03

How do you write an inverse variation equation that relates x and y when you assume that y varies inversely as x given that if y= -8.5, when x=6, find y when x= -2.5?

Answer & Explanation

kappastud98u

kappastud98u

Beginner2022-09-04Added 10 answers

We know that
y = k x , so
k = x y
If x=6 and y=-8.5
k = 6 × ( - 8.5 ) = - 51 . So
y = - 51 x
if x = - 2.5
y = - 51 - 2.5 = 20.4

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