Y = (-1/9).x + 4 The slope m of the line perpendicular to y = (-1/9).x + 4 is equal to 9: (if the product of 2 slopes = - 1, then the 2 lines are perpendicular)
y = 9x + b, Since it passes by the point (-1,0) , then: 0= 9(-1) + b and b = 9 Final equation:
