Homework Help: math

Posted by Rebecca on Sunday, October 2, 2011 at 4:11pm.

how do i write the slope-intercept form of the equation of the line through the given points???

through (0,-1) and (-5,-3)??

math - Brianna, Sunday, October 2, 2011 at 4:21pm
First you find the slope
m= -3-(-1)/-5-0 = 2/5
then you substitute one point into the equation to find b
y=mx+b
-3= (2/5)(-5)+b
-3+-2+b
b= -1
your answer is:
y=(2/5)x-1

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