If two lines are perpendicular, then the product of their slope is _____.
0
1
-1
infinite
Two non-vertical lines are perpendicular if and only if the product of their slopes is -1
Statement 1 : If two lines are perpendicular, then product of their slopes is –1. Statement 2: If the product of slopes of two lines is –1, then these lines will be perpendicular.
When two lines of slopes m1 & m2 are perpendicular to each other. Product of their slopes is 1