Question

which of the expressions are monomials?
a. x^2-2
b. -x^9
c. 2x^-1
d. 3x^2
e. 16
f. √x

Answer 1

What is the definition of a "monomial"?

Answer 2

A monomial contains one term

Answer 3

Mono means one

Answer 4

but I know there are rules to it. Like something can't be negative or something like that

Answer 5

Nope

Answer 6

A monomial (by definition) is a numeral, a variable, or the product of a numeral and one or more variables.

Answer 7

So it would be b, c, d, e, and f?

Answer 8

A monomial is a polynomial with just one term.
A polynomial and hence a monomial cannot have negative or fractional exponents.

Answer 9

so b, d, e, and f?

Answer 10

Not f which has fractional exponent since \(\sqrt{x} = x^{\frac 12}\)

Answer 11

Thank you sooo much:D

Answer 12

You are welcome.