dividing polynomials: long division. essential question how do i use long division to divide...
DESCRIPTION
Simple Division - dividing a polynomial by a monomialTRANSCRIPT
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Dividing Polynomials:
Long Division
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Essential Question
How do I use long division to divide polynomials?
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Simple Division -dividing a polynomial by a monomial
2 2 2 26 3 93
r s rs r s1.
rs
6r 2s2
3rs
3rs2
3rs
9r 2s3rs
2rs s 3r
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Simplify
3a2b3ab
6a3b2
3ab
18ab3ab
a 2a2b 6
2 3 23 6 183
a b a b ab2.
ab
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Simplify
12x2y
3x
3x3x
4xy 1
212 33
x y x3.
x
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Long Division -divide a polynomial by a polynomial
•Think back to long division from 3rd grade.
•How many times does the divisor go into the dividend? Put that number on top.
•Multiply that number by the divisor and put the result under the dividend.
•Subtract and bring down the next number in the dividend. Repeat until you have used all the numbers in the dividend.
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-( )x 3 x 2 5x 24
x
x2 + 3x- 8x
- 8
- 24- 8x - 24
0-( )
x2/x = x
2 5 243
x x4.
x
-8x/x = -8
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-( )
-( )
-( )h 4 h3 0h2 11h 28
h2
h3 - 4h2
4h2
+ 4h
- 11h4h2- 16h
5h
h3/h = h2
+ 284h2/h = 4h
+ 5
5h - 2048
48h 4
5h/h = 5
5. (h3 – 11h + 28)/(h – 4)
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Assignment
Complete the attached worksheet (3 problems).