Question

The equation of line through (2,-9) and (6,-6) is:

Answer 1

m = (-6 - (-9))/(6 - 2) = 3/4

y + 6 = (3/4)(x - 6) (point-slope form)

y + 6 = (3/4)x - (9/2)

y = (3/4)x - (21/2) (slope-intercept form)

4y = 3x - 42

-3x + 4y = -42

3x - 4y = 42 (standard form)