1. 5-Minute Check on Chapter 2
Transparency 3-1
5-Minute Check on Chapter 2
Evaluate 42 - |x - 7| if x = -3
Find 4.1  (-0.5)
Simplify each expression
3. 8(-2c + 5) + 9c (36d – 18) / (-9)
A bag of lollipops has 10 red, 15 green, and 15 yellow lollipops. If one is chosen at random, what is the probability that it is not green?
Which of the following is a true statement
Standardized Test Practice: A
8/4 < 4/8 B
-4/8 < -8/4 C
-4/8 > -8/4 D
-4/8 > 4/8
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2. Lesson 12-5
Dividing Polynomials  

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Transparency 6

4. Transparency 6a

5. Objectives Divide a polynomial by a monomial
Divide a polynomial by a binomial

6. Vocabulary
None new

7. Key Concept
xxxx

8. Example 1 Find Write as a rational expression. Divide each term by 2x.9 1
Simplify each term.
Simplify.
Answer:

9. Example 2 Find Write as a rational expression Divide each term by 3y1 3
Simplify each term y
Simplify.
Answer:

10. Example 3 Find Write as a rational expression Factor the numerator 1
Divide by the GCF
Simplify
Answer:

11. Example 4
Find
Step 1 Divide the first term of the dividend, x2, by the first term of the divisor, x. x
Multiply x and x – 2.
Subtract.

12. Example 4 cont
Step 2 Divide the first term of the partial dividend, 9x – 15, by the first term of the divisor, x. x
+ 9
Subtract and bring down 15
Multiply 9 and x – 2.
Subtract.
Answer: The quotient of is with a remainder of 3, which can be written as

13. Example 5
Find
Rename the x2 term by using a coefficient of 0.

14. Example 5 cont Multiply x2 and x – 5. Subtract and bring down 34x.
Multiply –9 and x – 5.
Answer:

15. Summary & Homework Summary: Homework:
To divide a polynomial by a monomial, divide each term of the polynomial by the monomial
To divide a polynomial by a binomial, use long division
Homework: pg