Find the slope of the line through (–9, –10) and (–2, –5).

A. –five-sevenths
B. seven-fifths
C. five-sevenths
D. –negative seven-fifths

Slope = (change in y)/(change in x)

(change in y) = (-5) - (-10) = 5
(change in x) = (-2) - (-9) = 7
Slope = 5/7
Answer: C. five-sevenths