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# Defining Polynomials Exercises

### Example 1

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

5x2 + 3x -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:

-2x3 – 3x + 1

### Example 8

List the terms in the following polynomial:

4x2 + 2x – 1

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