Question

the table numbers are different I'm still solving for K... X: 20 30 40
Y: 2 10 18

Answer 1

@Jhannybean

Answer 2

Same process as before.

Answer 3

But is this varying directly or inversely?

Answer 4

\[y=kx\\
\frac{y}{x}=k\] check to see if
\[\frac{2}{20}=\frac{10}{30}=\frac{18}{40}\]

Answer 5

directly

Answer 6

@satellite73 beat em to it.

Answer 7

me*

Answer 8

but y doesn't vary with x right??

Answer 9

Why wouldnt it? When x increases, y decreases, and vise versa

Answer 10

well my answer key says that it doesn't... again I just need help showing work

Answer 11

the fractions i wrote above are not equal`

Answer 12

since they are not equal, it does not vary "directly"

Answer 13

that is the work
there is nothing else to do

Answer 14

Oh I see now thank you