SOLUTION: Determine if the expressions are polynomials. If it is, give its degree. If it is not, state why not. A. 1 - 4x Polynomial The degree is 1 B. -pi I am not sure about

Question 1208424: Determine if the expressions are polynomials. If it is, give its degree. If it is not, state why not.
A. 1 - 4x
Polynomial
The degree is 1
B. -pi
I am not sure about B. I say it is a polynomial because it can be expressed as -pi•x^(0). Yes?
C. (3/x) + 2
This is not a polynomial. It is a rational expression. Yes?
D. 10z^2 + z
Yes, a polynomial
The degree is 2
E. (3x^3 + 2x - 1)/(x^2 + x + 1)
I say E is not a polynomial. This is a rational expression.
You say?
Answer by ikleyn(52814) (Show Source): You can put this solution on YOUR website!
.
(A) correct.

(B) Polynomial. The degree is 0 (zero).

(C) correct.

(D) correct.

(E) correct.

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