Question

Find the equations of line in y = mx + b form...

a) Passes through the points (7, 9) and (2, -2)

Answer 1

y = 11/5x - 32/5

Explanation:

y2 - y1 / x2 - x1

-2 - 9 / 2 - 7

-11 / -5

= 11/5

y = 11/5x + b

-2 = 11/5(2) + b

-2 = 22/5 + b

-32/5 = b