# Math

How would you graph an equation like x+y=4 or y-1=-1x-2?

I know you have to change the form, i just don't remember how to do it.

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1. remember all you need to draw a straight line is 2 points, the intercepts are 2 good points to use

I just showed you in a previous point how to find those intercepts
x+y = 4
let x = 0 --->y = 4 or the point (0,4)
let y = 0 ---> x = 4 or the point(4,0)
piece of cake!!!

y-1 = -x - 2
x+y = -1
do this the same way

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posted by Reiny

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