Question

Identify the like terms in the following expression: 5k2 – (k/3) – k + 3
A. -k/3, -1k
B. (1/3)k, 1k
C. 5k2, 3
D. 5k2, -(1/3)k, -1k, 3

Answer 1

I see three kinds of terms.

1) Constants -- Just one of those. Nothing to combine.
2) Quadratic (2nd power) -- Just one of those. Nothing to combine.
2) Linear -- Sweet!!! Two of those. Combine away!