True or False
True or false. A set is any collection of objects.
True or false. A proper subset of a set is itself a subset of the set, but not vice versa.
True or false. The empty set is a subset of every set.
True or false. If A ∪ B = ∅ , then A = ∅ and B = ∅ .
True or false. If A ∩ B = ∅ , then A = ∅ or B = ∅ or both A and B are empty sets.
True or false. (A ∪ Ac)c = ∅ .
True or false. [A ∩ (B ∪ C)]c = (A ∩ B)c ∩ (A ∩ C)c
True or false. n(A) + n(B) = n(A ∪ B) + n(A ∩ B)
True or false. If A ∈ B, then n(B) = n(A) + n(Ac∩ B).
True or false. The number of permutations of n distinct objects taken all together is n!
True or false. P(n, r) = r! C(n, r).
Criteria
Grade
Answers are correct.
Questions are answered completely.
Strategies used to answer questions are appropriate.
80%-100%
Answers are mostly correct.
Most questions are answered completely.
Most strategies used to answer questions are appropriate.
60%-79%
Some answers are correct.
Some questions are answered completely and work is partially shown.
Some strategies used to answer questions are appropriate.
40%-59%
Few answers are correct.
Few questions are answered completely and work is not shown.
Few strategies used to answer questions are appropriate.
20%-39%
Assignment not complete.
0% – 19%
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