Question

Is x^(-2)+5 a polynomial expression? Why or why not?

Answer 1

Thanks for the correction. Answer: No, $x^(^-^2^)+5$ is a polynomial expression because it has a break between numerical exponents. It goes from $0x^1$ to $x^2$, which makes it in the form of $x^{2}$ to $x^0$ which means that it is NOT a polynomial.

Answer 2

No, $x^{-2}+5$  is not a polynomial expression because it has a break between numerical exponents. It goes $0x^1$ from $x^2$  to , which makes it in the form of  $x^2$ to $x^0$ which means that it is NOT a polynomial.

What is polynomial?

A polynomial is an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

$x^{-2}+5$  is not a polynomial expression because it has a break between numerical exponents. It goes $0x^1$ from $x^2$  to , which makes it in the form of  $x^2$ to $x^0$ which means that it is NOT a polynomial.

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