Classify the following polynomials as polynomials in one-variable, two-variables etc.$x^2-xy +7y^2$

Given:

$x^2-xy +7y^2$

To do: 

We have to classify the given polynomial as polynomials in one-variable, two-variables etc.

Solution: 

Variable: A variable is denoted by a symbol that can take any real value. The value of a variable is not fixed.

In $x^2-xy +7y^2$, there are two variables $x$ and $y$.

Therefore, the given polynomial is a polynomial in two-variables.  

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Updated on: 10-Oct-2022

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