Posted by joshua on Wednesday, January 5, 2011 at 9:17pm.
Write the pointslope equation of the line through (2, 1) with a slope of 3

Algebra  Henry, Saturday, January 8, 2011 at 4:03pm
(2, 1), (x, Y), m = 3.
m = (y  1) / (x + 2) = 3,
Cross multiply:
y  1 = 3(x + 2).
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