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Dividing polynomials This PowerPoint presentation demonstrates two different methods of polynomial division. Click here to see algebraic long division.

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Presentation on theme: "Dividing polynomials This PowerPoint presentation demonstrates two different methods of polynomial division. Click here to see algebraic long division."— Presentation transcript:

1 Dividing polynomials This PowerPoint presentation demonstrates two different methods of polynomial division. Click here to see algebraic long division Click here to see dividing “in your head”

2 #1 Divide a polynomial by a monomial.

3 #2 Divide a polynomial by a monomial.

4 #3 Divide the following numbers.
Check

5 Long Division Divide the first term of the numerator by the first term of the denominator. Distribute your quotient by the entire polynomial in the denominator. Distribute a negative by through your product.

6 #4 Divide the following numbers (Long Division)
Remainder

7 Algebraic long division
Divide 2x³ + 3x² - x + 1 by x + 2 x + 2 is the divisor 2x³ + 3x² - x + 1 is the dividend The quotient will be here.

8 Algebraic long division
First divide the first term of the dividend, 2x³, by x (the first term of the divisor). This gives 2x². This will be the first term of the quotient.

9 Algebraic long division
Now multiply 2x² by x + 2 and subtract

10 Algebraic long division
Bring down the next term, -x.

11 Algebraic long division
Now divide –x², the first term of –x² - x, by x, the first term of the divisor which gives –x.

12 Algebraic long division
Multiply –x by x + 2 and subtract

13 Algebraic long division
Bring down the next term, 1

14 Algebraic long division
Divide x, the first term of x + 1, by x, the first term of the divisor which gives 1

15 Algebraic long division
Multiply x + 2 by 1 and subtract

16 Algebraic long division
The quotient is 2x² - x + 1 The remainder is –1.

17 #5 Dividing a polynomial by a polynomial (Long Division)
Check

18 #6 Dividing a polynomial by a polynomial (Long Division)
Check

19 #7 Dividing a polynomial by a polynomial (Long Division)

20 Homework Pages 236 – 237 #’s 4, 10, 15, 21, 22, 24


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