SOLUTION: Why is 3x squared a mononoial and 3x to the negative second power not a monomial?

Question 73226This question is from textbook
: Why is 3x squared a mononoial and 3x to the negative second power not a monomial? This question is from textbook

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Because the definition of a polynomial is (a monomial is one term where a polynomial is many terms. In a sense, all monomials are polynomials)
Where each a is a real number and n is a positive integer (a whole number greater than zero) so
is equal to

Where
has a negative exponent so it is not a polynomial which means it is not a monomial.
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