Algebra
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Unit 3: Solving Inequalities
Lesson 3.5: What are Sets and How Can We Use Them?
What is the Universal Set?
What is the Complement of a Set?
We looked at several sets of numbers in the first unit: The set of integers, the set of real numbers.
"A set is collection of distinct elements." (Pearson)
A subset contains elements of a set.
"A set is collection of distinct elements." (Pearson)
A subset contains elements of a set.
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