) earned on an investment varies jointly with the principal amount ( ), the interest rate ( ), and the time ( ) the money is invested. (In this case, the constant is equal to 1). Combined Variation Example: Newton's Law of Gravitation The gravitational force ( ) between two masses (
means multiple variables are multiplied in the numerator. Identify joint and combined variation worksheet kuta
The later problems on a Kuta worksheet mix joint and inverse variation into a single sentence. ) earned on an investment varies jointly with
). Forgetting to square or root a number during substitution will yield an incorrect value for the interest rate ( )