ANSWER
The algebraic expression that is a polynomial with a degree of 2 is
EXPLANATION
The degree of a term of a polynomial is the total sum of the exponents of the variables in each term.
The highest degree of the polynomial is considered the degree of the polynomial.
For first option,
the highest degree is 3.
The second option is,
This polynomial also has a degree of 3.
The third option is,
This last option has a degree of 2.
Therefore the correct answer is option C.
The algebraic expression that is a polynomial with a degree of 2 is
EXPLANATION
The degree of a term of a polynomial is the total sum of the exponents of the variables in each term.
The highest degree of the polynomial is considered the degree of the polynomial.
For first option,
the highest degree is 3.
The second option is,
This polynomial also has a degree of 3.
The third option is,
This last option has a degree of 2.
Therefore the correct answer is option C.