Tell whether the expression is a polynomial. If it is,

jubateee

jubateee

Answered question

2021-12-17

Tell whether the expression is a polynomial. If it is, give its degree. If it is not, state why not.
3x25x

Answer & Explanation

Vivian Soares

Vivian Soares

Beginner2021-12-18Added 36 answers

Step 1 
An expression made up of a monomial sum is referred to as a polynomial in the variable x. Each monomial is a term with a constant multiplying a term which is a power of x. 
In every monomial, the power of x must be a whole number. The degree of a polynomial is the power of x in the monomial with the highest power of x of all the monomials in the polynomial. 
Step 2 
Given expression is 3x25x. This can be written as 3x25x1. So we have a term with x raised to the power of -1. But -1 is not a whole number hence this expression is not a polynomial.

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