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Warm-up Nov. 20Lovely Wednesday! You have 15 minutes to work on your quiz. You may use a calculator. Good luck and relax!
Put your homework on your desk.
HW 7: green text p. 201 #s 3 - 17 & study for your test
Notes 6: Long Division with Polynomials Foldable
Review: Divide a polynomial by a monomial.
x
xxx
2
462 23
x
x
x
x
x
x
2
4
2
6
2
2 23
232 xx
Review: Divide a polynomial by a monomial.
2
564 3 xx
2
5
2
6
2
4 3
xx
2
532 3 xx
Review: Long Division.
4
5253
4
5213
1
Check
13
441
5733
130
DivisorDividend
Quotient
Before Nhots
After Nhots
Example 1: Divide2
822
x
xx
822 2 xxxx
xx 22 x4 8
4
84 x0
Check
)2)(4( xx
8422 xxx
822 xx
x
x2
)2(xx
x
x4 )2(4 x
x
4
Example 2: Divide32
156 2
x
xx
15632 2 xxx
0
Checkx
x
2
6 2
x
x
2
10
−-
++
36x
7
42133
36
x
xx
3x
36 7xx 42
6
426 3 x0
Check
)6)(7( 33 xx
4276 336 xxx
4213 36 xx
)7( 33 xx
)7(6 3x
42137 363 xxx
3
6
x
x
3
36
x
x
Example 3: Divide
− +
−+
0
Example 4: Divide
− −
++
Your turn
Long Division
1. Divide the first term of the numerator by the first term of the denominator.
2. Distribute your quotient by the entire polynomial in the denominator.
3. Distribute a negative by through your product.