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# Try our Free Online Math Solver! Online Math Solver

 Depdendent Variable

 Number of equations to solve: 23456789
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 Solve for:

 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
 Ineq. #2:

 Ineq. #3:

 Ineq. #4:

 Ineq. #5:

 Ineq. #6:

 Ineq. #7:

 Ineq. #8:

 Ineq. #9:

 Solve for:

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# Fun with inequalities

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 .  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  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