Daily Homework Quiz

For use after Lesson 12. 6

Find the number of combinations.

1. 12C5 2. 25C2

• Have a book to read or something to work on for when you finish your homework.

• You will have time to study for your quiz and work on late work today or other homework today.

Daily Homework Quiz

For use after Lesson 12. 6

Find the number of combinations.

1. 12C5

ANSWER 792

2. 25C2

ANSWER 300

• Have a book to read or something to work on for when you finish your homework.

• You will have time to study for your quiz and work on late work today or other homework today.

Combinations

Section 12.6

Essential Questions

• What are the differences between permutations and combinations?

• What are the differences between odds and probability?

• How is probability used to make predictions?

• What are the differences between experimental and theoretical probabilities?

• For the All-Star softball team, 4 players were chosen from the eligible players on each team. The Mighty Titans had 10 eligible players. How many different All-Star team selections could have been chosen? (remember – order is not important)

• 10C4 = 210

• Four of 9 students will be selected for the MathCounts competition. How many different teams could be selected?

• 9C4 = 126

Page 683

6C2 = 210

18C2 = 153

Page 683

15C5 = 792

9C4 = 126

Page 683

C. 5C3 = 10

Page 683

Homework

• Worksheet 12.6• Quiz tomorrow over 12.4-12.6.• Online scientific calculator.

– www.lewiscentral.k12.ia.us/shipp

When finished with homework,Read section 7.8 page 380

sections 12-4 – 12.5 page 670- 682