Unit 6 Section 7 Multiplying Polynomials.notebook
Multiplying Polynomials
Unit 6
April 13, 2015
Unit 6 Section 7 Multiplying Polynomials.notebook
April 13, 2015
Multiply.(Distribute)
1.) 3.) 5.)
2.) 4.) 6.)
Unit 6 Section 7 Multiplying Polynomials.notebook
April 13, 2015
FOIL METHOD:
To multiply two binomials together:
1.)
Firsts (F)
2.)
Outers (O)
3.)
Inners (I)
4.)
Lasts (L)
If done correctly with a little imagination it‛s the FOIL MAN!!
(a + b) ( d + c )
Unit 6 Section 7 Multiplying Polynomials.notebook
Multiply (FOIL)
1.)
2.)
April 13, 2015
Unit 6 Section 7 Multiplying Polynomials.notebook
April 13, 2015
When multiplying a polynomial by a binomial remember double distributive property.
Example: Unit 6 Section 7 Multiplying Polynomials.notebook
April 13, 2015
Multiply. 3.)
4.)
5.)
6.)
7.)
8.)
Unit 6 Section 7 Multiplying Polynomials.notebook
April 13, 2015
Keystone Ready
John creates a painting on a rectangular canvas with a width that is four inches longer than the height, as shown in the diagram below.
h
h + 4
A. Write a polynomial expression, in simplified form, that represents the area of the canvas.
Keng adds a 3­inch­wide frame around all sides of his canvas.
B. Write a polynomial expression, in simplified form, that represents the total area of the canvas and the frame.
Unit 6 Section 7 Multiplying Polynomials.notebook
Keystone Ready
A polynomial expression is shown below.
4
﴾mx 3 + 3 ﴿ ﴾2x 2+ 5x + 2﴿ – ﴾8x 5+ 20x ﴿
The expression is simplified to 8x 3 + 6x 2+ 15x + 6.
What is the value of m?
A. –8
B. –4
C. 4
D. 8
April 13, 2015