Question

What is the equation in point-slope form of the line passing through (4, 0) and (2, 6)?
y = 4x – 2
y = 2x – 4
y = –3(x – 4)
y = 3(x + 4)

Answer 1

y = mx + b
m = (6-0)/(2-4) = 6/-2 = -3
6 = (-3)(2) + b
6 = -6 + b
b = 12
y = -3x + 12
y = (-3)(x - 4)

Answer 2

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