6

Click here to load reader

I can find combinations using combination notation

Embed Size (px)

DESCRIPTION

n C r shows the number of combinations of n objects chosen r at a time. Ex:

Citation preview

Page 1: I can find combinations using combination notation

I can find combinations using combination notation.

Combinations

Page 2: I can find combinations using combination notation

Selection of objects WITHOUT regard to order.Order does not matter

Ex: selecting two side dishes from a list of fiveThe order in which you select your dishes

doesn’t matter.

What is a Combination?

Page 3: I can find combinations using combination notation

nCr shows the number of combinations of n objects chosen r at a time.

Ex:

Combination N0tation

Page 4: I can find combinations using combination notation

Twenty people report for jury duty. How many different 12-person juries can be chosen?

Practice

Page 5: I can find combinations using combination notation

Enter the number of objectsPress MATHLeft arrow3 (nCr)Enter the number to be selectedENTER

Using a Calculator

Page 6: I can find combinations using combination notation

P.766 #27-39 All, 46

Assignment