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 4. (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 Click the mouse button or press the Space Bar to display the answers.

Lesson 12-5 Dividing Polynomials  

Click the mouse button or press the Space Bar to display the answers. Transparency 6

Transparency 6a

Objectives Divide a polynomial by a monomial Divide a polynomial by a binomial

Vocabulary None new

Key Concept xxxx

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

Example 2 Find Write as a rational expression Divide each term by 3y 1 3 Simplify each term y Simplify. Answer:

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

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.

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

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

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

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