Question #e8f46

2 Answers
Sep 7, 2017

#y=4x# is a direct variation with a constant of #4#

Explanation:

Any function that can be written in the form:
#color(white)("XXX")y=color(magenta)cx# with a constant #color(magenta)c#
is a direct variation with a constant of #color(magenta)c#

Sep 7, 2017

#y=4x" is direct variation",k=4#

Explanation:

#"the equation for direct variation is"#

#•color(white)(x)y=kxlarrcolor(blue)" k is the constant of variation"#

#y=4x" is in this form with "k=4#