Question

Which equations show direct variation between a and b?

Choose all answers that are correct.

A.b=0.7a


B. b= 1/8a-3


C. 5 (1/a)=b


D. 1a=b

Answer 1

@perl

Answer 2

is there a graph with this

Answer 3

no @moneybaby980

Answer 4

im not sure

Answer 5

@TheSmartOne

Answer 6

@Ashleyisakitty PLEASE PLEASE PAAAALEASE HALP ME!!! ;-;

Answer 7

Direct variation:
\(\sf y=kx\)

\(\sf\Large k = \frac{y}{x}\)

Answer 8

They already gave you the value of x, and just assume that the other variables are x and y.