Homework Help: math

Posted by sophia on Tuesday, November 3, 2009 at 9:38pm.

What are the slope and y-intercept of the graph of the following equation?

1/3x=1/2(y+4)

So I used slope intercept formula and rearranged it to be 1/2y=-1/3x+2
then I isolated y by multiplying by the reciprocal and got y=-2/3x+4
is that right?? My friend said its +4!

math - Reiny, Tuesday, November 3, 2009 at 9:53pm
(1/3)x=1/2(y+4)
(1/3)x=(1/2)y + 2 or
(1/2)y + 2 = (1/3)x
(1/2)y = (1/3)x - 2
y = (2/3)x - 4

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