Question #4d894
2 Answers
Sep 22, 2017
Explanation:
Rearranging
So
Rearranging
So
If the lines are perpendicular then we know that the gradients must be opposites of each other (
So:
Sep 22, 2017
The slope of the straight line
Again the slope of the straight line
As the straight lines are perpendicular to each other then