Asked by Ariana

why is
19x^-2
not a monomial

thank you

Answers

Answered by oobleck
terms are separated by + or - signs
your expression thus has two terms, so it is a binomial
Answered by oobleck
oops. My bad. I read it as 19x - 2
it is a monomial, in the strictest sense of having only one term.
But a monomial is a polynomial with only one term.
polynomials do not have negative exponents.
Answered by Ariana
thank you Oobleck
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