February 23, 2017

Homework Help: Algebra 1

Posted by Stephanie on Wednesday, February 15, 2012 at 5:50pm.

I need some help with Direct linear variation.
I had tooken a test, and one of the questions on there said
" Which equation represents a direct linear variation?" The answers were
A ; y = 1/x
B ; y = x + 2
C ; y = x squared
D ; y = 1/2x .
I choose B . But now it says i got that wrong and the correct answer is D . How is that ?

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