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Understanding Factorials, Permutations, and Combinations

Understanding Factorials, Permutations, and Combinations

Assessment

Interactive Video

Mathematics, Computers

7th - 10th Grade

Practice Problem

Hard

Created by

Lucas Foster

FREE Resource

This video tutorial demonstrates how to evaluate factorials, permutations, and combinations using Desmos. It covers the evaluation of 8 factorial, the permutation of 8 items taken 5 at a time, and the combination of 8 items chosen 5 at a time. The video provides step-by-step instructions on using Desmos' functions menu and keyboard to perform these calculations, emphasizing the difference between permutations and combinations in terms of order significance.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between permutations and combinations?

Combinations consider order, permutations do not.

Permutations consider order, combinations do not.

Both consider order.

Neither consider order.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which notation does Desmos use for factorials?

n^r

nC

nP

n!

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you access the exclamation mark for factorials on the Desmos keyboard?

By clicking the stats menu.

By clicking the functions menu.

By clicking the large 123 button.

By clicking the large ABC button.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 8 factorial?

8,000

56

6,720

40,320

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which function is used to calculate permutations in Desmos?

nCr

nPr

n^r

n!

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of 8 permute 5?

8,000

56

40,320

6,720

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you enter permutations manually in Desmos?

Using lowercase n, capital P, lowercase r, and parentheses.

Using lowercase n, capital C, lowercase r, and parentheses.

Using the exclamation mark.

Using the stats menu.

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