MCQ
The slope of the line through (-1, 2) and (3, -2) is:
Explanation
m = (y2 - y1)/(x2 - x1) = (-2 - 2)/(3 + 1) = -4/4 = -1.
m = (y2 - y1)/(x2 - x1) = (-2 - 2)/(3 + 1) = -4/4 = -1.