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7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
7.1 Multiplying and Dividing Monomials
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7.1 Multiplying and Dividing Monomials

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  • 1. 7.1 Multiplying and Dividing Monomials February 26, 2013 The Return of Polynomials Label the parts of the polynomial 2x2 ­ 3 Group the like terms 2x2 ­ 3x + 7 ­ 4x + 10x2 + 12 The Return of Polynomials We have previously learned how to add and subtract  polynomials, but what should we do in this situation? 2(2x)
  • 2. 7.1 Multiplying and Dividing Monomials February 26, 2013 The Return of Polynomials Youve seen this before... 2(3) 7.1 Multiplying & Dividing  Polynomials
  • 3. 7.1 Multiplying and Dividing Monomials February 26, 2013 Multiplying Expand: 5(2x) Multiplying Expand: ­3x(3x)
  • 4. 7.1 Multiplying and Dividing Monomials February 26, 2013 Multiplying Expand: 3x(2y) Multiplying Expand 5(2x)
  • 5. 7.1 Multiplying and Dividing Monomials February 26, 2013 Multiplying Expand 3x(3y) Multiplying Expand 10x(5x)
  • 6. 7.1 Multiplying and Dividing Monomials February 26, 2013
  • 7. 7.1 Multiplying and Dividing Monomials February 26, 2013 Mental Math Add the following: 2x + 3y ­ 5x + 4y Multiply the following: 3x(4x) 2x(10y) Question Why do we use a grid to show multiplication?
  • 8. 7.1 Multiplying and Dividing Monomials February 26, 2013 Dividing What do we do in this situation? 10 5 Dividing Divide:  10x 5
  • 9. 7.1 Multiplying and Dividing Monomials February 26, 2013 Dividing Divide:  ­8x2 2x Dividing Divide:  12xy 4x
  • 10. 7.1 Multiplying and Dividing Monomials February 26, 2013 Dividing Divide: 10x 5 Dividing Divide: ­12xy 4x
  • 11. 7.1 Multiplying and Dividing Monomials February 26, 2013 Dividing Divide: ­14x2 ­2x Word Problems What is an expression for the area of the rectangle? 4.3x 2x
  • 12. 7.1 Multiplying and Dividing Monomials February 26, 2013 Word Problems The 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? BTW ­ the height of a triangle can be found: Height = 2 x area/base
  • 13. 7.1 Multiplying and Dividing Monomials February 26, 2013

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