February 23, 2017

Homework Help: Math

Posted by SC on Thursday, October 8, 2009 at 7:05pm.

Find the point of intersection between y=2-(1/2)x and y=1+ax. (a=alpha sign). You answer will be a point in the xy plane whose coordinates involve the unknown a .

My work so far:
I set the two equations equal to each other because they intersect.
and I got,
(-1)/( (-1/2)-a )=x
how do I find y?
Do I plug in what i found for x into one of the equation? Please help!

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