Question

If y varies directly as x, and y = 36 as x = 9, find y for the x-value 5.

Answer 1

If y varies directly as x, we can write:
\[y=k*x\]

Answer 2

so it would be 36=k*9 ? @Michele_Laino

Answer 3

that's right!

Answer 4

so what do i do after? or is that the final answer? @Michele_Laino

Answer 5

after i divide 9 by both sides, of course.

Answer 6

please, try to substitute x=5 in your relationship y=4*x

Answer 7

ohhh okay! thank you!

Answer 8

@caitlynxoxo__98 Thank you!