Homework Help: maths

Posted by ngo on Saturday, March 26, 2011 at 4:34pm.

Find the slope and the y- interceft of each line whose equation is given - 4x +y = 7

write a point slope equation for the line with slope that contains the given point.
m = - 5/4,x(-2,6)

maths - Henry, Sunday, March 27, 2011 at 9:38pm
-4X + Y = 7.

Y = 4X + 7.
m = 4.
Y-int. = 7.

m = -5/4, P(-2,6). (X,Y).
m = (Y - 6) / (X + 2) = -5/4,
Cross multiply and get:
4(Y - 6) = -5(X + 2),
Divide both sides by 4:
(Y - 6) = -5/4(X + 2)

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