Unit 7 Lesson 7 - Binomial Expansion

Unit 7 Lesson 7 - Binomial Expansion

by Bryan Guy

Multiple Choice

When you graph the system:
y > -2x + 1
y≤ x + 3
Which of the following is a solution?

• (2, 0)
• (-1, 2)
• (0, 4)
• (0, -4)

Multiple Choice

Determine the ordered pair that IS a solution.

• (2, 2)
• (2, 4)
• (3, 2)
• (-3, 2)

Multiple Choice

What are the zeros of the parabola? 

• 1, 5
• 3, -5 
• 3, 0
• -6, 1

Multiple Choice

Which of these shows a parent function of a quadratic equation moved 5 units to the right?

• f(x)=(x-5)²

• f(x)=(x+5)²

• f(x)=5x²

• f(x)=x²+5

Multiple Choice

The axis of symmetry for the function -x²+10x-17 is 5. What is the vertex?

• (-5, 8)

• (5,8)

• (8,5)

• (-8,5)

​Today

​Watch the videos I have placed in the lesson. Use what you learn to complete the problems for today. We will continue with this skill on Friday.

​Copy this into your notes for your quiz.

Independent Practice

​Complete the assignment below. I have provided the answers on the next slide so you can check your work as you go, so make sure you show your work.

Answer Key

​Complete the assignment below.

Multiple Choice

Find the 2nd term in the expansion of 
(2b + 1)³

• 12b²
• 6b
• 8b³
• 4b²

Multiple Choice

Use Pascal's Triangle to expand the expression.

(2x+5)⁴

• 2x⁴ + 40x³ + 300x² + 1000x +625

• 16x⁴ + 160x³ +600x² +1000x + 625

• 16x⁴ + 1000x³ + 600x² + 160x +625

Multiple Choice

Use Pascal's Triangle to find the 4th term in the expansion of (4x-3)⁵.

• 5760

• -4320x²

• 5760x³

• -4320

Multiple Choice

Which row of Pascal's Triangle would you use to expand (x+y)³?

• 1
• 1  1
• 1  2  1
• 1  3  3  1

​Homework 10/21/21