The line r passes through the points (–2, 2) and(5, 8) and the line s passes through the points (–8,7) and (–2, 0). Is the line r perpendicular to s ?

The line r passes through the points (–2, 2) and
(5, 8) and the line s passes through the points (–8,
7) and (–2, 0). Is the line r perpendicular to s ?

Matching exercise

Match the items on the right to the items on the left.

Step - 1

Step - 2

Step - 3