1. Section 5.1 Solving inequalities
Solve inequalities using addition and subtraction.
SWBAT:

2. DEFINITIONS: What is an inequality?
The comparison of two expressions that are not equal to each other.
What are the inequality signs?
Set Notation:
{variable | answer }  {x | x > 3}

3. Examples:
Define a variable, write an inequality, and solve each problem. Check your solution.
1. The sum of a number and 17 is no less than 26.
2. Twice a number minus 4 is less than three times the number.

4. Examples:
Define a variable, write an inequality, and solve each problem. Check your solution.
3. Twelve is at most a number decreased by 7.
4. Eight plus four times a number is greater than five times the number.

5. Graphs of Inequalities:
Symbol
Old way
< or >
Open Circle
Closed Circle

6. Examples: Solve and graph

7. Try on your own:

8. Did We Reach Our Objective?
Solve inequalities using addition.
Solve inequalities using
subtraction

9. Homework
5.1 Worksheet
#s 1-4 all, 5, 6, 8, 10, all