PiNEY

y=k x^n (Directly proportional) (i) y m^2 = x^2 (area of a square is x multiplied by x so “x^2”) So “n” in that question would be “2”. (ii) y cm^2 = x^3 (volume of a cube is x multiplied by x multiplied by x so “x^3”) So “n” in that question would be “3”....