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7.1 Multiplying and Dividing Monomials
1
January 09, 2014
The Return of PolynomialsLabel the parts of the polynomial
2x2 3
Group the like terms
2x2 3x + 7 4x + 10x2 + 12
7.1 Multiplying and Dividing Monomials
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January 09, 2014
The Return of PolynomialsWe have previously learned how to add and subtract polynomials, but what should we do in this situation?
2(2x)
7.1 Multiplying and Dividing Monomials
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January 09, 2014
The Return of PolynomialsYou've seen this before...
2(3)
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January 09, 2014
7.1 Multiplying & Dividing Monomials
7.1 Multiplying and Dividing Monomials
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January 09, 2014
When we talk about adding lengths of a polygon, we are talking about the....
7.1 Multiplying and Dividing Monomials
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January 09, 2014
When we talk about multiplying lengths of a polygon (rectangle), we are talking about the....
7.1 Multiplying and Dividing Monomials
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January 09, 2014
To help us visualize multiplying polynomials, we are going to find the "area" of a rectangle made by those two "lengths".
7.1 Multiplying and Dividing Monomials
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Expand: 5(2x)Multiplying
7.1 Multiplying and Dividing Monomials
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January 09, 2014
Expand: 3x(3x)Multiplying
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January 09, 2014
Expand: 3x(2y)Multiplying
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January 09, 2014
Expand 5(2x)
Multiplying
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January 09, 2014
Expand 3x(3y)
Multiplying
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January 09, 2014
Expand 10x(5x)
Multiplying
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January 09, 2014
Review
Multiply the following:
3x(4x)
2x(10y)
12xy(3x)
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January 09, 2014
Question
Why do we use a grid to show multiplication?
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January 09, 2014
DividingWhat do we do in this situation?
105
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Divide: Dividing
10x5
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January 09, 2014
Divide: Dividing
8x22x
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January 09, 2014
Divide: Dividing
12xy4x
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January 09, 2014
DividingDivide:
10x5
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January 09, 2014
DividingDivide:
12xy4x
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January 09, 2014
7.1 Multiplying and Dividing Monomials
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January 09, 2014
DividingDivide:
14x22x
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January 09, 2014
7.1 Multiplying and Dividing Monomials
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January 09, 2014
Word ProblemsWhat is an expression for the area of the rectangle?
4.3x
2x
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January 09, 2014
Word ProblemsThe area of a triangle is given by the expression 18x2. The base of the triangle is represented by 4x. What is the height of the triangle in terms of x?
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January 09, 2014
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January 09, 2014