Question

State the degree and leading coefficient of the polynomial in one variable. If it is not a polynomial in one variable, enter NONE for both degree and leading coefficient.



2⁢𝑟−𝑟2+
1
𝑟2


Multiple choice question.

A)
not a polynomial in one variable because there is a negative coefficient, degree = 2


B)
leading coefficient = 1, degree = 2


C)
not a polynomial in one variable because there is a negative exponent


D)
leading coefficient = –1

Answer 1

C

The term 1/r^2 = r^(−2) has a negative exponent, so the expression is not a polynomial in one variable (degree and leading coefficient: NONE).