Level 219 Level 221
Level 220

Unions & Intersections


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intersection
The graph of a compound inequality with "and" in which the solution is the overlapping or what is shared.
union
The graph of a compound inequality with "or" in which the solution is all points that satisfy one or the other or both inequalities.
disjoint sets
Sets that have no numbers in their intersection
Empty Set
Represents the set with no elements in it, the set symbol the 0 with the / through it represents the Empty Set
union symbol
intersection symbol