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Make Up Tests from Friday??
Submit Friday's Class/Home Work
Sample Khan Academy Questions
Warm-Up
Adding, Subtracting & Multiplying
Polynomials
Khan Academy This Week:
Adding & Subtracting Polynomials
Multiplying Expressions 1
Multiplying Polynomials 2
On-Line Khan due before March 16, 7:00 pm.
Alt Khan: Due by end of day March 17. **You must show all
work to receive any credit.
This Week's Khan
This Week's Khan
Warm-Up:(4)
1. Simplify: 9( a2 + 2ab - b2) - 2(a2 + ab)
2.
3. 3x + 1 + 5
4x
2x

What is the common denominator?

x3 + 2x2 - x We are not dividing
monomials, so the rules are a
x
bit different.
....Which brings us to today's class notes

4. Divide:
Polynomial Division
Part I: Dividing Monomial by Monomial:
Part II: Dividing by a Monomial:
A. Take each term in the numerator and divide by the
denominator. The result is now a monomial divided by a
monomial for each term. Solve as usual.
18x4 -10x2 + 6x7
2x2
March 10, 2014
x+x
2x

x• x
2
x
2x + 3x

2x•3x

5x

2
6x
2
4x

+ 4x
NOT
LIKE
TERMS!

2•
4x

4x

3
16x
2
5x

+

2
6x

2
x

2•x2
5x
4
5x
(3x4 – 5x2 + 1) + (6x4 + 2x2 – 7)

4
9x

–

2
3x

–6
(-2a5 – 2a4 + 7a) + (6a4 + 2a2 – 2a)

5+
-2a

4
4a

+

2
2a

+ 5a
(-c5 + 8c + 2) – (-2c5 + 6c – 1)
–
5
(-c

+ 8c + 2) +

5
c

5
(2c

– 6c + 1)

+ 2c + 3
Class Work:
See Handout

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March 10, 2014