Line PQ is located in the coordinate plane with point P at(-2,-1) and point Q at (4,-2). Point R is located at (4,2). Line RS is perpendicular to PQ. What is the slope of RS?

Line PQ is located in the coordinate plane with point P at21 and point Q at 42 Point R is located at 42 Line RS is perpendicular to PQ What is the slope of RS class=
Line PQ is located in the coordinate plane with point P at21 and point Q at 42 Point R is located at 42 Line RS is perpendicular to PQ What is the slope of RS class=