Question

If y varies inversely as x, and y = 4 as x = 8, find y for the x-value of 2.

Answer 1

A. 16
B. 8
C. 14
D. 10

Answer 2

y=k/x

Answer 3

yes, i know. but i don't know how to use it here.

Answer 4

i know that k=4, but that's that.

Answer 5

ok so 4=k/8....multiply both side of the equation by 8 we get 32=k

Answer 6

okay...

Answer 7

when x=2, y=32/2

Answer 8

32/2=16.

Answer 9

thanks!!!

Answer 10

correct

Answer 11

thanks so much. you really helped me. alot.

Answer 12

ur welcome