Question

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

A.y - 1 = 3(x + 2)
B.y - 2 = 3(x + 1)

C.y + 2 = 3(x - 1)

Answer 1

y=mx+b=3x+b

substitute (-2,1) in the above equation

1=3(-2)+b --> b=7

y=3x+7 --> or y-1=3(x+2)