Question

Which polynomial is a quintic binomial?

5x2−2x+1

x2+4x

3x5+2

x4+2x3−x2+7x+11

Answer 1

"quintic" = degree is 5

"binomial" = there are 2 terms

The only polynomial that fits this description is 3x⁵ + 2. The degree is clearly 5, and there are 2 terms (3x⁵ and 2).