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Pearson Algebra 1 Common Core, 2011 View details

8. Unions and Intersections of Sets

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Exercise 17 Page 218

The symbol ⋂ indicates the intersection of two sets.

A ⋂ C =∅

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Since we have the symbol ⋂, we are looking for the intersection of the given sets. A&={1, 3, 4} C&={2, 5, 7, 10} An intersection of two sets is the set that contains elements that are common in both sets. An element is in the intersection of A and C if it belongs to A and to C at the same time. Notice that sets A and C share no common elements. Therefore, the intersection of those sets is an empty set. A ⋂ C =∅