2/8 HA2 Mult/Div Polynomials

2/8 HA2 Mult/Div Polynomials

Polynomial Multiplication

Distribution and Vertical Multiplication

Multiple Choice

(x-3)(-x²+2x+4)

• x³+5x²+2x+12

• -x³+5x²-2x-12

• -x³+5x²+2x+12

• -x³-5x²+2x+12

• None of these

Multiple Choice

(4x+1)(5x−2)

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2

• None of these

Polynomial Multiplication

Table Multiplication or Box Method

Multiple Choice

(5x+2y)(x²-3xy+6)

• 5x³ - 13x²y -6xy² - 30x +12y²

• 5x³ - 17x² y - 6xy² -30x +12y²

• 5x³ + 17x²y -6xy² - 30x +12y²

• 5x³ +13x²y - 6xy - 30x + 12y²

• None of these

Multiple Select

When Multiplying Polynomials like (x - 2) (x + 9) which methods can you use? Choose ALL that are correct.

• Box Method

• Distribution

• Foil

• Vertical Multiplication

• PEMDAS

Polynomial Long Division

Step-by-step instructions

Multiple Choice

• 4x - 2

• 4x + 2

• 4x - 2 + 1/(3x - 1)

• 4x + 2 + 1/(3x - 1)

Multiple Choice

Is this problem done correctly?

• Correct

• Incorrect

• Not enough information

Multiple Choice

• 2x - 4

• 2x - 4 + -40/(4x-5)

• 2x + 4

• 2x - 1 + -16/(4x-5)

Polynomial Long Division

Examples

Multiple Choice

• 
  

  $2x^2+3x+8+\frac{-57}{x-4}$

• $2x^2-13x-56$

• $2x^2-3x-16+\frac{-89}{x-4}$

• $2x^2+3x+8+\frac{7}{x-4}$

Multiple Choice

• Correct

• Incorrect

• Not enough information