Combinations and Permutations Review

Combinations and Permutations Review

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a combination?

Back

A selection of items where the order does not matter.

2.

FLASHCARD QUESTION

Front

What is a permutation?

Back

An arrangement of items where the order does matter.

3.

FLASHCARD QUESTION

Front

How many ways can you choose 3 players from a team of 18?

Back

816 ways.

4.

FLASHCARD QUESTION

Front

Is choosing 3 books to read from a list of 10 a permutation, combination, or neither?

Back

Combination.

5.

FLASHCARD QUESTION

Front

How many different teams of 4 players can be formed from 9 players?

Back

126 different teams.

6.

FLASHCARD QUESTION

Front

What is the formula for combinations?

Back

C(n, r) = n! / (r!(n - r)!) where n is the total items and r is the items chosen.

7.

FLASHCARD QUESTION

Front

What is the formula for permutations?

Back

P(n, r) = n! / (n - r)! where n is the total items and r is the items arranged.

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