Question

If y varies inversely with x and y = 8 when x = 5, then what is y when x = 2?

4
6
10
20

Answer 1

I got 20

Answer 2

\[\huge\rm y = \frac{ k }{ x }\] equation for inverse variation
replace x by 5 and y by 8 solve for k you should get 40
the replace k by 40 and divide by 2 yep 20 is right answer :=)
gO_Od job!

Answer 3

Awesome thank you!

Answer 4

np :)