Question

i dont Understand?
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

y1=y2=m(x1-x2) is point slope