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Polynomials

Polynomials

Multivariable Polynomials Exercises

Example 1

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

x + xy - y

Example 2

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

Example 3

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

πx2 + 3.4xy4 + x2y5 - 11

Example 4

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

x + y + 9(-1)

Example 5

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

5xy - y7 + x - 4y4

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