Defining Polynomials Exercises

Is the following expression a polynomial or not? If not, explain why:

5x² + 3x ^-4

Is the following expression a polynomial or not? If not, explain why:

4

Is the following expression a polynomial or not? If not, explain why:

Is the following expression a polynomial or not? If not, explain why:

Is the following expression a polynomial or not? If not, explain why:

List the terms in the following polynomial:

x + 7

List the terms in the following polynomial:

-2x³ – 3x + 1

List the terms in the following polynomial:

4x² + 2x – 1