Question

1) Find an equation of the line through the points (-1,2) and (3,-4).

Answer 1

(-4 - 2)/(3 + 1)= -6/4= -3/2

y - 2 = -3/2(x + 1)

y - 2 = -3/2x - 3/2

y - 4/2 = -3/2x - 3/2

y = -3/2x + 1/2

Explanation: