Question

If y varies inversely as x, find the constant of variation if y = 100 when x = 0.2.
A. 100
B. 20
C. 200
D. 10

They all came out no solution @jim

Answer 1

@jim_thompson5910

Answer 2

y = k/x

100 = k/0.2

k = ??

Answer 3

you might have been using y = kx, but that only works if y varies directly as x

you use y = k/x since y varies inversely as x

Answer 4

do you dvide

Answer 5

I got 20

Answer 6

good

k = 100*0.2

k = 20