Question

A line with a slope of 1/10 passes throught the points (-4,-4) and (6,s) what is s?

Answer 1

$\frac{s + 4}{6 + 4} = \frac{1}{10}$
$\frac{s + 4}{10} = \frac{1}{10}$
$10(s + 4) = 10$
$10s + 40 = 10$
$10s = - 30$
$s = - 3$