Question

What is the equation for (12,1) (9,9)

Answer 1

y = -8/3x + 33

Explanation:

y2 - y1 / x2 - x1

9 - 1 / 9 -12

8 / -3

= -8/3

y = -8/3x + b

1 = -8/3(12) + b

1 = -32 + b

33 = b