Line d has a slope of - 7 4. Line e is perpendicular to d. What is the slope of line e? Simplify your answer and write it as a proper fraction, improper fraction, or integer.

4/7

Step-by-step explanation:

If the slope of line d is - 7/4, then the slope of a perpendicular is 4/7.

Given a slope, to find the slope of a perpendicular, flip the fraction and change the sign.

Flip - 7/4 to get - 4/7. Then change the sign of - 4/7 to get 4/7.

Answer: 4/7