Question

$7 {x}^{3} + 5$ is polynomial or not
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Answer 1

Answer:-

7x³ + 5 is a polynomial because

Reason:-

An expression containing more than two or two terms is known as a polynomial, if the powers of the variable in each term are non-negative integers.

⟶ More Info ⟵

• A polynomial cannot have terms like

$\sf{ \dfrac{1}{x}, \: \dfrac{1}{y}, \: \dfrac{x}{y},etc}$

• An expression containing three terms is known as trinomial quadrinomial.

• An expression which contains only one term is known as monomial.

For example:- 2x , -2x²y , etc.

• An expression which contains two term is known as binomial.

For example:- 2ab + 4 , 2x + 9 , etc.