Algebra 1 · Inequalities

OR (Union)

Algebra 1 · Inequalities

Definition

OR (union) is a compound inequality true wherever either of the two inequalities is satisfied.

Teach it

Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.

Examples

  • x < 1 OR x > 5 covers both ends.
  • x ≤ −2 OR x ≥ 3 covers the outside.

Key rule

The solution includes every value that satisfies at least one part.

Memory hook

OR = either one counts; both regions are in.