Question

Write an appropriate inverse variation equation if y = 9 when x = 3

Answer 1

@jim_thompson5910

Answer 2

Y varies directly as x so y = kx.
first, plug in y = 9 and x =3 to find k

Answer 3

i dont understand

Answer 4

9=k(3)

Answer 5

so would it be y=3 over k?

Answer 6

oops k = 27

Answer 7

or y=27 over k?

Answer 8

so
y = k/x
9 = k/3
k = 27
y = 27/x