What is the y intercept of the line passing through 9, -7 with a slope of - 1/8 ?

The slop intercept form of the line is

y = mx + c

here m is slop of the line and c is y intercept of the line so our equation is

y = (-1/8)x + c

Now the line passes through the point (9 , -7) so we can insert the (x,y) values into above equation to find the value of c , y intercept of the line.

-7 = (-1/8)9 + c

by solving it for c

-7 = -9/8 + c

we can write it as

c = -7+9/8

c = -5.875

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

215.92 dollars is the answer