Activity 2: Translate Our Relation into an Equation! Part 2 Directions: Translate the following statements into mathematical sentences. Use k as the constant of the variation. Write your answers on a separate sheet of paper. 1. The electric voltage V varies jointly as the current I and its resistance R. 2. The volume of the cylinder V varies jointly as its height h and the square of the radius r. 3. The volume V of a gas varies directly as the absolute temperature T and inversely as the pressure P. 4. The principal amount of money P varies inversely as the rate T and the time t and directly as the interest I. 5. The kinetic energy E varies jointly as the mass m and the square of velocity v of an object in motion.