Unit 3 Review

(2x + 1)(x - 3)

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

(2x + 3)(x² + 4x + 1)

• 2x³ + 10x² + 14x + 4 
• 2x³ + 11x² + 14x + 3 
• -2x³ - 11x² + 14x + 5 
• x³ - 11x² + 14x + 3 

Classify by the DEGREE:
4x³ - 5x² + 2x - 1

• 1
• 2
• 3
• 4

Divide:

(4x² - 24x + 35) / (2x - 5)

• 2x - 7

• 2x - 12

• 2x + 12

• 2x + 7

The area of a rectangular pool table is: x² + 14x +40.

The length is x + 4. What is the width?

• x + 8

• x + 14

• x + 10

• x +4

What is the degree of the polynomial function
P(x)=3x⁴-7x²-2x⁷-x+4

• 4
• 7
• 2
• 11

Which would be better to use here?

• Long division
• Synthetic division

For synthetic division, what would be the number in the left hand box?

• 0
• 1
• 2
• 3

Divide using synthetic division

(2x³ + 4x² - 5) by (x + 3).

• 2x² + 2x - 4 - 12/(x + 3)

• 2x² - 2x + 6 - 23/(x + 3)

• 2x² - 2x + 8 - 20/(x + 3)

• 2x² - 4x + 1

Divide (x³ + 3x² - 4x - 12) by (x² + x - 6)

• x - 2

• x⁵ + 6

• x + 2

• x² + 2