Practice with Absolute Value Equations

Solve the following absolute value equations.  Be sure to CHECK your answers.
Double check using your graphing calculator.

1.

Solve:

    

Choose:
 {5}
 {-9}
 {-9, 5}

 

 

 

2.

Solve:

    

Choose:
  {1}

 

 


 

3.

Solve:

    

Choose:
{-4}
 {8}
 {-4, 8}

 

 


 

4.

Solve:

    

Choose:
 {1}

 

 


 

5.

Solve:

    

Choose:
 {-3}
 {-1}
 {-3, -1}

 

 


 

6.

Solve:

    

Choose:
{4}
 {-2}
 {-2, 4}

 

 

 

 

7. On the starship Enterprise, Captain Picard continually asks the food replicator to brew him a cup of Earl Grey tea.  The proper brewing temperature for Earl Grey tea is 210º F plus or minus 5 degrees.  Write and solve an absolute value equation representing the maximum and minimum brewing temperatures for Earl Grey tea. 

 

 

 


Roberts