Question

Complete the equation of the line through (4,-8) and (8,5)

Answer 1

y = 13/4x - 21

Explanation:

y2 - y1 / x2 - x1

5 - (-8) / 8 - 4

13/4

y = 13/4x + b

5 = 13/4(8) + b

5 = 26 + b

-21 = b