Question

Need help with number 8

Answer 1

The slope-point formula of a line:

$y-y_1=m(x-x_1)$

We have:

$m=2,\ (-8,\ 1)\to x_1=-8,\ y_1=1$

Substitute:

$y-1=2(x-(-8))\\\\\boxed{y-1=2(x+8)}$