POLYNOMIALS

Which of the following expressions is  not a polynomial?

• 6 $a^3$ + 2a

• 7 $x^{-5}$ +6xy

• 9

• 3y

What is the leading coefficient of the following polynomial?

5x² - 3x + 6

• 5

• 3

• 6

• -3

Classify the polynomial by its degree.

x² + 2x³ - 4

• linear

• quadratic

• cubic

• 5th degree

Classify the polynomial by its number of terms.

4x² - 2

• binomial

• trinomial

• monomial

• none of the above

Which of the following are examples of like terms?

• 2 and 2x

• y³ and x³

• y and x

• -3x and 3x

Add:

(3x² - 3x + 2) + (x² - 2x + 1)

• 4x³-2x²+2

• 4x² - 5x + 3

• -2x³+2x+2

• 4x³-2x²-2

(3x − 6)(7x + 7)

• 21x² − 63x + 42

• 21x² − 21x − 42

• 21x² − 42

• 21x² + 63x + 42

Find the difference.

(3- 2x + 2x²) - (4x -5 +3x²)

• x² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Simplify (x-7)²

• x²-49

• x²+49

• x²-14x+49

• x²-14x-49

What is the GCF in this polynomial?

3x²+6x-18

• 2

• 6

• 3

• 18