Question

What is the equation of the line that passes through (1, 3) and (-2, -3)?

Answer 1

m = y2-y1/x2-x1 -> -3-3/-2-1 = -6/-3 -> +2

y=mx+b or 3=2 × 1+b -> b = 1 (y-intercept)

y = 2x+1