A rectangle is graphed on the coordinate grid. On a coordinate plane, side J has points (negative 5, 4) and (3, 2), side K has points (3, 2) and (0, negative 10), side L has points (negative 8, negative 8), and side M has points (negative 8, negative 8) and (negative 5, 4). Which represents the equation of a side that is perpendicular to side K? y = one-fourth x minus 10 y = negative one-fourth x minus 10 y = 4 x + 24 y = 4 x minus 10