Question

25 points Please explain your answer, thank you!

Which expression is not a polynomial?
( ACCIDENTALLY PUT ONLY 10 POINTS ON THE LAST ONE SORRY)
A. -5x+6y
B. -3/x
C. 2p^3q^2-pq^3
D. 7-z

Answer 1

D

Explanation:

it only consists of one term.

Answer 2

The answer is B.

For an expression to be a polynomial term, any variables in the expression must have whole number powers.

-3/x isn’t a polynomial term because the variable is in the denominator.