Try our Free Online Math Solver!

Fun with inequalities
Please turn in your takehome exam in the pile
corresponding to your section up front
Working with inequalities : You can add , subtract ,
multiply , or divide the same number on both sides of an
inequality . Exception: If you multiply or divide by a
negative number , you need to change the direction of
the inequality sign .
2 ways to write your answer:
Set notation  Interval notation 
The logic of and & or:
If two statements are connected by and, both must be
true to make the whole thing true
If two statements are connected by or, at least one of the
statements must be true to make the whole thing true
Steps to solving quadratic inequalities:
0.Put everything on one side
1. Factor
2.Set each factor equal to 0 and divide the number line
into intervals
3. Test a point in each interval to see if positive or negative
4. Write down solution intervals
Prev  Next 