Classify the following polynomials as linear, quadratic, cubic and biquadratic polynomials:$x + x^2 + 4$


Given:

$x + x^2 + 4$

To do: 

We have to classify the given polynomial as linear, quadratic, cubic and biquadratic polynomial.

Solution: 

Polynomials are expressions in which each term is a constant multiplied by a variable raised to a whole number power.

A linear polynomial is a polynomial of degree 1.

A quadratic polynomial is a polynomial of degree 2.

A cubic polynomial is a polynomial of degree 3.

A biquadratic polynomial is a polynomial of degree 4.

A polynomial's degree is the highest or the greatest power of a variable in a polynomial equation.

To find the degree, identify the exponents on the variables in each term, and add them together to find the degree of each term.

In $x + x^2 + 4$, the term $x^2$ has a variable of power $2$.

This implies, the degree of $x + x^2 + 4$ is $2$.

Therefore, the given polynomial is a quadratic polynomial.

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Updated on: 10-Oct-2022

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