9.1 Polynomials

Which is an example of a linear polynomial?

• x²-5
• 6x+4
• 5x⁵
• 2x³-9x²

Which is an example of a cubic binomial?

• x³+5
• x²+3
• x²+5x-6
• 5x³

What is the leading coefficient of the following polynomial?
5x²-3x+6

• 2
• -3
• 5
• 6

Add the following polynomials:
(x³-2x²+3)+(2x³+3x²-1)

• 3x³-2x²+3x+2
• 3x³+x²+2
• 3x³-5x²-2
• 3x³-x²+1

Subtract the following polynomials:
(3x²-3x+2)-(x²-2x+1)

• 2x²+x+1
• 2x²-5x+3
• 2x²-x+1
• 4x²-5x+3

Subtract the following polynomials:
(2x³+6x²+4x-2)-(x³+4x²-x)

• x³+2x²+5x-2
• x³+10x²+3x-2
• 3x³+2x+4x-3
• 3x³+10x²-3x-2

Classify the polynomial and give the degree:
4x² + 2x - 1

• Binomial, 3
• Binomial, 2
• Trinomial, 3
• Trinomial, 2

Classify the polynomial by its degree.
x² + 2x³ - 4

• A
  binomial
• B
  trinomial
• C
  quadratic
• D
  cubic

Classify the polynomial by its number of terms.
 4x² - 2

• A
  monomial
• B
  binomial
• C
  trinomial
• D
  polynomial

How many terms are in the following polynomial?
_{3xy - 2y + 8x - 7z -16}

• A
  1
• B
  2
• C
  4
• D
  5