Question

The lines below are perpendicular. If the green line has a slope of -1/9, what is
the slope of the red line? Enter your answer as an integer or a fraction in
lowest terms.

Answer 1

Answer:

9

Step-by-step explanation:

The slopes are perpendicular lines are opposite reciprocals.

If one line has slope - 1/9, then the perpendicular  to it  has slope 9/1 or 9.