Bell Work:
1. Solve. │x - 3│= 5
2. Solve. │x + 3│= 5
3. What does the absolute value
represent? Use a number line to
represent the solutions.
5.5 Inequalities Involving Absolute Value
“Less than” Inequalities
│x - 3│< 5
│x│< 5
Example #1: Solve and graph.
│m - 8│≤ 2
Example #2: Solve and graph.
│n + 2│< 11
Example #3
The melting point of ice is 0°C. During a
chemistry experiment, Jill observed ice
melting within 2°C of this measurement.
Write the range of temperatures that Jill
observed.
“Greater than” Inequalities
│x - 3│> 5
│x│> 5
Example #4: Solve and graph.
│3x - 6│≥ 12
Example #5: Solve and graph.
│2k + 1│> 7
Homework:
5.5 (pg. 314-315)
#8,10,14,16,32,34,38,40