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33 votes
33 votes
What's the slope and y-intercept of the equation 4x + 2y = 8?

m = 2; b = 4


m = –2; b = 4


m = –2; b = –4


m = 2; b = –4

User Rodrigo Fonseca
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1 Answer

21 votes
21 votes
M=-2; b=4

First we need to change the ax+by=c into y=mx+b
What we can do is take the 4x and put it on the other side and the re arrange the problem
(Like so)
2y=-4x+8
Now we need to divide by 2

2y=-4x+8
—. ——-
2. 2

Y=-2x+4

-2 is the slope (it is in the place if m)
And the y intercept is 4 (it is in the place of b)

User Yanivps
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3.0k points