Question

how can you determine if the given lines are perpendicular?

A. Determine if they have slopes with opposite values.

B. Determine if they have the same slope.

C. Determine if the product of their slopes is 1.

D. Determine if the product of their slopes is -1.

Answer 1

If two lines are perpendicular, then there is a relation between their slopes..

Answer 2

\[m_1 \cdot m_2 = -1\]

Answer 3

So D.

Answer 4

Good.. :)

Answer 5

Thanks!

Answer 6

\(\dagger\)