Write the equation of a line that passes through (-2 , 5) and is perpendicular to 2x+2y=18

Answer 1

2x +2y = 18

x +y = 9

y = -x +9

slope = -1

slope of a perpendicular line is the negative inverse = +1

though the point (-2,5) means

5=-2 +b where b = y intercept

b= 7

y= x + 7