1. More Work With Rationals ...
if you're not talking
about it you're not learning it.
Doing homework by flickr user gardenghelle
1

2. Simplify and state restrictions if any ...
Simplifying
2

3. Adding or Subtracting Rational Expressions with LIKE Denominiators
­Add or subtract the numerators and place over a common
denominator.
Example 1
1
__ __2
+ =
4 4
Example 2
a
__ __b
+ =
c c
3

4. Example 3 Add or subtract, simplify and state any non­permissibles
4
__ 6
__
+
5x 5x
Example 4
2x 8
____ ­ ____
x + 3 x + 3
4

5. Adding or Subtracting Rational Expressions with unlike Denominators
1) Factor the expression
2) Find the least common denominator
3) Rewrite each expression using the LCD
4) Add or subtract expression.
Example 5
__ ­ __
7 5
=
4 24
5

6. Example 6
3x + 2 x ­ 4 2x ­1
______ ____ ­ ____
+
4 8 6
6

7. 7

8. Example 7 Simplify and state any restrictions
4t + 1 2t ­ 1 _____
_____ _____ ­ 3t + 2
+
6 2 3
8

9. Example 8 Simplify and state any restrictions
4
___ + ___
6
x x2
9

10. Example 9 Simplify and state any restrictions
4 5
_____ ­ _____
x + 3 x ­ 2
10

11. Simplify and state restrictions if any ...
Addition
11

12. Assignment p. 165 1­25
p. 172 1­9
12