Question

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.

• A. Only 1 is true
• B. Both 1 and 2 are true
• C. Only 2 is true
• D. Both are false

Answer 1

The correct option is C

Only 2 is true

1 is not valid in case of x and y axis.