Write the slope intercept for of the equation:

>Through (4,-2) and (0,-4)
Ans y= 1/2x -4

3 answers

I did this one for you
http://www.jiskha.com/display.cgi?id=1452053348
I changed the numbers. I had forgotten to put the negative
(4,-2), (0,-4).

m=(-4-(-2))/(0-4) = -2/-4 = 1/2.

Y = mx + b = -2.
(1/2)4 + b = -2.
2 + b = -2.
b = -4.

Eq: Y = (1/2)x - 4.