Answer:
4/5
Step-by-step explanation:
15x+12y=-144
- Subtract 15x from both sides.
12y = -15x - 144
- Divide both sides by 12 to isolate variable.
y = -5/4x - 12
- Now that we have the standard slope-intercept form. We just need to find the slope of the perpendicular line.
- When a line is perpendicular, the slope becomes the opposite/
slope = 4/5
