Question

Which expressions are polynomials?

Select each correct answer.

-7x²+ 5/3x
6x² + 5x
x^2+ 5x1/5
-x^2+5x

Answer 1

The polynomials are:

-7x²+ 5/3x

6x² + 5x

-x^2+5x

The expression x^2+ 5x1/5 is not a polynomial because it contains a fraction with x in the denominator.