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# Polynomials

# Defining Polynomials Exercises

### Example 1

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

5*x*^{2} + 3*x*^{-4}

### Example 2

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

4

### Example 3

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

### Example 4

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

### Example 5

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

### Example 6

List the terms in the following polynomial:

*x* + 7

### Example 7

List the terms in the following polynomial:

-2*x*^{3} - 3*x* + 1

### Example 8

List the terms in the following polynomial:

4*x*^{2} + 2*x* - 1