Which one is not a polynomial?

Select one:

A.20

B.x²

C.x^-2+ 4x³

D.(x - 2)²

Question2

Not yet answered

Points out of 1.00

Flag question

Question text

What is the degree of -13x³+ 2x²- 8x - 6?

Select one:

A.13

B.3

C.2

D.1

Question3

Not yet answered

Points out of 1.00

Flag question

Question text

Compute (2x²- 6x + 7) + (3x³- 3x).

Select one:

A.5x⁵- 9x + 7

B.5x²- 3x + 7

C.6x³- 6x + 7

D.3x³+ 2x²- 9x + 7

Question4

Not yet answered

Points out of 1.00

Flag question

Question text

Compute (12x³- x²- x + 4/3) + (x³+ x²+ x - 1/3).

Select one:

A.11x³- 2x²- 2x + 5/3

B.13x³- x²+ x - 1/3

C.13x³- x²+ 2x + 1

D.13x³+ 1

Question5

Not yet answered

Points out of 1.00

Flag question

Question text

Compute (12x³- x²- x + 4/3) - (x³+ x²+ x - 1/3).

Select one:

A.11x³- 2x²- 2x + 5/3

B.13x³- x²+ x - 1/3

C.13x³- x²+ 2x + 1

D.13x³+ 1