WarmUp

1
Warm-Up
5 minutes
Solve.
1)
2)
3)
4)
2
8.5.1 Solving Rational Equations and Inequalities

• Objectives
• Solve a rational equation or inequality by using
  algebra, a table, or a graph
• Solve problems by using a rational equation or
  inequality

3
Example 1
Solve.
4
Example 1
Solve.
CHECK
Let x 9
Let x -2
5
Practice
Solve
6
Example 2
Solve .
(x 2)(x 2)
(x 2)(x 2)
(x 2)(x)
- 8
2(x 2)
x2 2x 8 2x 4
7
Example 2
Solve .
CHECK
Let x 6
8
Example 2
Solve .
CHECK
Let x 6
9
Practice
Solve
10
Homework
p.517 9,13,15,19,23,25
11
Warm-Up
5 minutes
Solve
1)
2)
12
8.5 Solving Rational Equations and Inequalities

• Objectives
• Solve a rational equation or inequality by using
  algebra, a table, or a graph
• Solve problems by using a rational equation or
  inequality

13
Example 1
Solve .
where x-3 gt 0
where x-3 lt 0
14
Example 1
Solve .
where x-3 gt 0
where x-3 lt 0
and
15
Example 1
Solve .
where x-3 gt 0
where x-3 lt 0
and
and
or
16
Example 2
Solve .
Case 1 x-1 is positive and x4 is positive
Case 2 x-1 is positive and x4 is negative
Case 3 x-1 is negative and x4 is positive
Case 4 x-1 is negative and x4 is negative
Graph
17
Practice
Solve
18
Homework
p.518 29-37 odds,43,45
you need a graphing calculator for 43 45
8.1 - 8.5 Quiz tomorrow
Review Sheet 4 Quiz tomorrow