1. Today’s Agenda
• Attendance / Announcements
• Questions from HW?
• Section 1.4 Rational Expressions

2. Factoring Review
Remember to always factor out the
G.C.F. and keep factoring until you
can‟t factor anymore!
xxx 963 23

3. Factoring Review
Remember to always factor out the
G.C.F. and keep factoring until you
can‟t factor anymore!
xx 188 3

4. Rational Expressions
An expression that can be written
as the quotient of two polynomials.
2
532 2
x
xx
1
8
x x
2
note*: We need to make sure…..

5. Simplifying Rational Expressions
Cancellation Property
Q
P
QS
PS

6. 5
5
x
x
Simplifying Rational Expressions
Cancellation Property

7. 4
4
x
x
Simplifying Rational Expressions
Cancellation Property

8. Simplify each expression…

9. Simplify each expression…

10. Multiplying
Rational Expressions (p. 29)
Same as fraction arithmetic
“Multiply straight across…top and
bottom”

11. Perform each operation…

12. Dividing
Rational Expressions (p. 29)
Same as fraction arithmetic
“Dividing by a fraction 
Multiply by the reciprocal”

13. Perform each operation…

14. Adding / Subtracting
Rational Expressions
“Just like with fractions…We need
a….”

15. Perform each operation…

16. Perform each operation…

17. Complex Fractions (p. 33)
1
3
2
x
x

18. Complex Fractions (p. 33)
k
k
5
1
5
6

19. Classwork / Homework
• Page 34 1 –
45 (every other odd)
47, 55, 58
...Ask questions if you have „em!
...And review factoring!