Question

Which of the following is an equation of the line through (2, 3) and (−1, −12)?

Answer 1

y = 5x-7

Explanation:

y-y/x-x = slope

-12-3/-1-2 = -15/-3 = 5

next plug in slope and coordinates

y=mx+b

3=5(2)+b

solve for b

3=10+b

-7=b