
Understanding Subsets and Combinatorics
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Olivia Brooks
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many subsets of a set with 8 elements can be formed with exactly 5 elements?
70
28
120
56
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to calculate the number of subsets of a set with a specific cardinality?
k choose n
n + k
n choose k
n^k
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a subset must include the elements 2, 3, and 5, how many additional elements are needed to form a subset of cardinality 5?
2
1
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many ways can you choose 2 elements from a set of 5 elements?
10
20
15
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number of subsets of cardinality 5 that include the elements 2, 3, and 5?
5
10
15
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many odd numbers are there in the set S?
2
4
5
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why must a subset of cardinality 5 from set S contain at least one odd number?
Because there are more odd numbers than even numbers
Because there are only 4 even numbers in set S
Because odd numbers are required
Because subsets must be balanced
Tags
CCSS.2.OA.C.3
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