Unit 3 Review 6.1­6.3.notebook September 20, 2018

Example

A door has a window with a shape of a triangle with sides lengths 8x + 6, 5x – 5, and ­6x + 12. What is the perimeter of the triangle?

• 7x + 13

think pair share

Unit 3 Review 6.1­6.3.notebook September 20, 2018

9x2 + 7x – 12

Example Express the area of the red region as a simplified polynomial.

Unit 3 Review 6.1­6.3.notebook September 20, 2018

Think Pair Share

Example Simplify the following binomial

How is this expanded form different if we have     ? Explain

Unit 3 Review 6.1­6.3.notebook September 20, 2018

Example Simplify the following binomial

Example Find the coefficient of  third term in the binomial expansion.

How does the answer change is the binomial is a difference, (x­2y)8?

Unit 3 Review 6.1­6.3.notebook September 20, 2018

Example Simplify the following binomial

Example Simplify the following binomial

Unit 3 Review 6.1­6.3.notebook September 20, 2018

How many terms will the answer have?

(x3 ­ 2y)7

Find and simplify the third term in the binomial expansion.

Example 

How many terms will the answer have?

(5a4 + b)9Find the coefficient of term with b8 in the binomial expansion.

Example 

180