Test 4 Review: Polynomials, Binomial Expansion, Exponents

Which polynomial is written in standard form?

• -3x + 8x² + 9x³ - 11
• 9x³ + 8x² - 3x - 11
• 8x² + 9x³ -11 - 3x
• -11 - 3x + 8x² + 9x³

Which of the following are not polynomials?  Check all that apply. (hint: polynomials can't have fractions as exponents, they can't have negative exponents and the variable can't be in the denominator.)

A polynomial that has two terms is a:

• polynomial
• monomial
• binomial

What is the term classification of the following polynomial?
x³-7x²+3

• monomial
• binomial
• trinomial
• polynomial

What is the degree of the polynomial
 x²-2x+5

• 1
• 2
• 3
• 0

Identify the constant term:
4x³ + 2x - 9

• 4
• -2
• -9
• 9

How many terms does this expression have:
-27a³ + 9a² - 45a

• what are terms?
• 0 terms
• -45 terms
• 3 terms

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z
• -x +10y - 10z
• x -10y - 10z
• -x -10y - 10z

Add the polynomials.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1
• 2x³ + 1x² - 5x + 9
• 6x³ + 1x - 1x² - 3
• 3x⁵ +1x - 1x⁵ - 3x

Subtract: (2a² + 5a + 3) -(a² - 3a - 4)

• 3a² + 2a - 1
• a² + 8a + 7
• 3a² + 8a + 7
• a² + 2a - 1