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Sample Khan Academy Questions
Adding, Subtracting & Multiplying
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.
1. Simplify: 9( a2 + 2ab - b2) - 2(a2 + ab)
3. 3x + 1 + 5
What is the common denominator?
x3 + 2x2 - x We are not dividing
monomials, so the rules are a
....Which brings us to today's class notes
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