Which of the following algebraic expressions are polynomials.
$3 x - 7$

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Solution

Check the algebraic expression are polynomial or not.
Given, $3 x - 7$
An algebraic expression can be called a polynomial if the power of variable terms of the expression are a whole numbers. It should be not be a radical power or a negative integer.
Here, $3 x - 7$ is a polynomial because the powers of all the terms in this expression are whole numbers.
Hence, $3 x - 7$ is a polynomial.

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