Wednesday
April 16, 2014

Homework Help: ALGEBRA

Posted by Anonymous on Wednesday, January 19, 2011 at 10:18pm.

Lines A and B are perpendicular and have the same x-intercept. The equation of line A
is x + 2y - 4 = 0 . Determine the y-intercept of line B.

A.-8
B.-2
C. 4
D. 8

This is the work that I did:

x + 2y - 4 = 0
+4 +4
x+2y = 4
-x -x

2y = -x+4
divide both sides by 2

and I got -1/2x+2

I thought that the answer would be -2 maybe but its -8. How is it -8?

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