?

Free Version
Easy

# Direct Variation Definition

ALGEBR-AFVGEX

Which of the following is a mathematical expression of the sentence "$y$ varies directly with $x$"? Select ALL that apply.

A

$y=mx+b$

B

$y=mx$

C

$y=kx$

D

$y-y_1=m(x-x_1)$

E

None of these