Question

If x≠0 and x is inversely proportional to y, which of the following is directly proportional to 1/x^2?

-1/y^2

1/y^2

1/y

y

y^2

Answer 1

y2

Answer 2

@vadevalor can u explain how u got that, bro?

Answer 3

x = 1/y

1/x2 = 1/ (1/y)2=y2

Answer 4

yes thats right - i just got same result on paper

Answer 5

you substitute x = 1/y into 1/x^2

inversely proportion is y = k/x
direst priportion is y = kx
vadevalor used k = 1 in his proof which is ok