Question

Which statement is correct when solving the expression 5y2 – 3y2?

A. Add the coefficients (5 + 3).

B. Add the exponents (2 + 2).

C. Subtract the coefficients (5 – 3).

D. Subtract the exponents (2 – 2).

Answer 1

C. Subtract the coefficients (5 – 3)

Explanation:

`5y^2-3y^2=(5-3)y^2=2y^2`