Why is y=2x-1 not a direct variation?

1 Answer
Jim G.
Mar 16, 2018

"see explanation"

Explanation:

"the equation representing direct variation is"

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

"which means it passes through the origin"

y=2x-1" is not in this form so does not represent "
"direct variation"

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