Question

What is the slope of the line that passes through the points left parenthesis, 2, comma, minus, 3, right parenthesis(2,−3) and left parenthesis, 1, comma, minus, 2, right parenthesis(1,−2)? Write your answer in simplest form.

Answer 1

Slope = (−2 − (−3)) / (1 − 2) = (1) / (−1) = −1.