Monomial Addition & Subtraction QuizVersion en ligne Practice adding and subtracting like terms par Edisa Bamuya 1 What is the sum of 4m and 8m? a 4m b 6m c 10m d 12m 2 What is the result in subtracting 2m from 5m? a 3m b 4m c 5m d 6m 3 3x + 5x a 8x b 7x c -8x d 9x 4 -4x^4 + 2x^4 = ? a -6x^4 b -4x^3 c 2x^4 d -2x^4 5 6x^3 - (-x^3) = ? a 7x^3 b -7x^3 c 5x^3 d 7x^4 6 9x^2 - 5x^2 = ? a 14x^2 b 4x c -4x^2 d 4x^2 7 7x^3 + 3x^2 = ? a 10x^3 b -7x^3 + 3x^2 c 4x^2 d 7x^3 + 3x^2 8 -2x^5 - 3x^5 = ? a -5x^5 b -2x^4 c -5x^4 d -1x^5 9 10x - 4x = ? a 14x b -6x c 6x d 6x^2 10 -5x^3 - (-2x^3) = ? a -3x^3 b -5x^2 c -7x^3 d -3x^2 Feedback 3 Adding like terms means you add coefficients of same exponent. 4 Sum of coefficients with same exponent only. 5 Subtracting a negative equals addition. 6 Combine like terms by adding coefficients. 7 Terms with different exponents stay separate. 8 Add coefficients of the same exponent. 9 Like terms with x can be combined by addition. 10 Subtracting a negative adds coefficients.
