Homework Help: Algebra

Posted by Brooke on Wednesday, January 14, 2009 at 9:15pm.

Write the point-slope form of an equation for a line that passes through each point with the given slope. (2,2),m=-3

This is one example, I'm not sure how to do this.

Algebra - bobpursley, Wednesday, January 14, 2009 at 9:19pm
http://www.jiskha.com/display.cgi?id=1231984921
Algebra - Damon, Wednesday, January 14, 2009 at 9:20pm
slope = (y-2)/(x-2)
and
slope = -3
so
(y-2) / (x-2) = -3

You can expand that out to get the y = m x + b form
y - 2 = - 3 x + 6
y = -3 x + 8

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