Answer to Question #128030 in Algebra for Tori

Question

Which of the following are like terms

A. 2x and 3x^2
B. -5y and 4x
C. -6a^2 and -6a^3
D. 7c and -9c

Answer 1

The option A contains unlike terms, X and X squared. In option B, Y and X are unlike too. In option C, the unknowns are different from each other in that one is squared and other cubed. Therefore, option D has like terms because of having a common unknown, c. The answer is D. 7c and -9c.