Question

Reasoning Equations

Answer 1

so the equation of that graph is
y +1 = 8/9 ( x + 4 )

Answer 2

y = 8/9 x + 8/9*4 - 1
y - 8/9x = 8/9*4 - 1
multiply both sides by 9
9y - 8x = 32 - 9

Answer 3

or
-8x + 9y = 23