Question

Justify if the expression $1-\sqrt{5}x$ is a polynomial or not.

Answer 1

Check whether the expression$1-\sqrt{5}x$ is polynomial or not.

An algebraic expression where the exponents of the all the variables are in whole numbers.

Means the power of the variables can be positive integers including zero but not fraction, decimals or negative integers.

In the given expression $1-\sqrt{5}x$ the exponents of the variable is one and can be zero.

Since the exponents are whole numbers.

The expression $1-\sqrt{5}x$ is polynomial.