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posted by joshua on Wednesday, January 5, 2011 at 9:17pm.

Write the point-slope equation of the line through (-2, 1) with a slope of 3

(-2, 1), (x, Y), m = 3. m = (y - 1) / (x + 2) = 3, Cross multiply: y - 1 = 3(x + 2).

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