Question

Direct Variation

Answer 1

If y varies directly as x and y=10 when x= 2, find y when x= -6

Answer 2

Why are you posting a simple question like this... you know how to do it don't you?

Answer 3

Im posting it because i forgot how to do it, and i have finals.. why would i post it if i know how to do it..?

Answer 4

Direct variation means \[
y = kx
\]

Answer 5

Yes, i know that. But i need help, step-by-step, on how to actually do the problem.

Answer 6

Use the "y=10 when x= 2" info to find k:\
\[
(10) = k(2)
\]

Answer 7

Once you have k use: \[
y = k(-6)
\]To find \(y\)

Answer 8

So y is -30?

Answer 9

Yeah

Answer 10

You aren't playing a game?

Answer 11

Nope dude, im 100% serious. I forgot how to do that.. and now that i know, its coming back. Sincere question o_o
Thanks though

Answer 12

Some people actually forget how to do things so they need help without others bringing them down.. and once you help like they said it's coming back. GOod job though