Algebra 1 · Inequalities
Absolute Value Equation
Algebra 1 · Inequalities
Definition
An absolute value equation is an equation containing an absolute value that splits into two cases, positive and negative.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- |x| = 5 means x = 5 or x = −5.
- |x − 2| = 3 means x = 5 or x = −1.
Key rule
Split into two equations: the inside equals the positive and the negative value.
Memory hook
Absolute value opens two doors − plus and minus.