When two equations are perpendicular their slopes are 90° apart. In the equation y=5x-8 the slope is 5. The perpendicular slope is negative and the inverse of the given slope. So in this case the perpendicular line will have the slope = - 1/5
Step-by-step explanation: If x=0, then two points on the graph can be (0, 6) and (0,0). using those two points, you can say the slope is 6/0, which is undefined
