Warm ups – factor / simplify

2

3 2

2 10

10 25

x x

x x x

3 2 42x x x 23 25 18x x

2

4 12

9 18

x

x x

Homework Questions?

Pg. 673 # 17 – 28

12-3 Dividing Rational Expressions

Objective: To divide rational expressions and review

simplifying and multiplying rational expressions.

Standard 13.0

Whiteboards!

Let’s use whiteboards today! Whiteboard Marker Sock

Only write down the problems, work and answers! No extra doodling.. Sorry.. Our markers are running out

Find the excluded value(s):

8

5

x

x 5x

5( 2)

( 2)( 3)

x

x x

4 1

10

x 2

2

4

6 8

y

y y

2,3x

none 4, 2y

Simplifying Practice

2

10 4

8

24

xy z

x yz

9 33

y

x z

2 2 24

4

x x

x

6x

2

3 2

2 10

10 25

x x

x x x

2

5x

Multiplying Practice

3 6 4 4

2 2 7 14

x x

x x

6( 2)

7( 2)

x

x

2 25 4 4

3 4

y y y

y y

4 ( 1)

3

y y

Dividing Practice

2 3

5 4

x y

y x

6

8

x

y

3

2

5 25

1 2 1

x x

x x x

2

1

5

x

x

More Dividing Practice

2

6 10 3 5

16 25 4 5

x x

x x

2

4 5x

2 2

2 2

3 10 4 4

1 3 2

y y y y

y y y

5

1

y

y

Homework

Pg. 783 (12-3) Middle Column! #2-17 -> only do the middle column! Open house tonight! Quiz tomorrow!