The slope m of the line through the points (x1, y1) and (x 2, y 2) is given by
Example Problem
| Find the slope of the line segment joining the points ( 1, - 4 ) and ( - 4, 2 ). |
Solution
| Label the points as x1 = 1, y1 = - 4, x2 = -4, and y2 = 2.
To find the slope m of the line segment joining the points, use the slope formula : |
Answer Keys