Polynomials Final Test B

Add: (9x + 17) + (19x - 27)

• 28x + 44

• 28x - 10

• -28x + 10

• -171x - 459

Add: (3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

Add: (3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3

• 4y² + 3y³ - y + 3

• -y⁴ + 2y³ -y - 4

• 4y³ + 3y² -3y + 1

Subtract: (r² + s²) – (5r² + 4s²)

• –4r² +5s²

• –4r² – 3s²

• –5r⁴ – 4s⁴

• –4r² + 3s²

Subtract: (3- 2x + 2x²) - (4x -5 +3x²)

• x² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Subtract: (4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

Multiply: (r + 7)(r − 7)

• r ² − 49

• r ² + 14

• r ² − 7r + 49

Multiply: (x - 9)(x - 7)

• x² - 2x - 63

• x² - 16x - 63

• x² - 2x + 63

• x² - 16x + 63

Multiply: (3x – 1)(x + 5)

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

What do you call this?

3x³ – 6x

• Monomial

• Binomial

• Trinomial

• 4-Term Polynomial