HOMEWORK REVIEW

HOMEWORK REVIEW

HOMEWORK REVIEW

SOLVE ABSOLUTE VALUE INEQUALITIES

5.6

SOLVING ABSOLUTE VALUE INEQUALITIES.

• ABSOLUTE VALUE INEQUALITIES CAN BE AN AND INEQUALITY OR AN OR INEQUALITY. IT WILL LOOK LIKE ONE OF THE FOLLOWING.

• |X|># |X|<#

• OR

• IT WILL EITHER BE ALL OF THE VALUES BETWEEN TWO VALUES, OR ALL VALUES OUTSIDE OF TWO VALUES.

ABSOLUTE VALUE INEQUALITY

• FOR |X|>#

• GET | | BY ITSELF

• GREATER THAN MEANS OUTSIDE!!

• SET UP AN “OR” INEQUALITY TO SHOW IT IS OUTSIDE

• FOR |X|<#

• GET | | BY ITSELF

• LESS THAN MEANS INSIDE!!

• SET UP AN “AND” INEQUALITY TO SHOW IT IS INSIDE

EXAMPLE

• A) B)

EXAMPLE• SOLVE AND GRAPH THE SOLUTION:

EXAMPLE

• SOLVE AND GRAPH THE SOLUTION:

HOMEWORK

• PP. 343-344: 3-19 ODD, 23, 24