ALGEBRA 2: 04.08.24: Permutations and Combinations- Part I

What is the key difference between permutations and combinations?

• Permutations can only be used with numbers.

• Combinations require more objects than permutations.

• Order matters in permutations but not in combinations.

• Permutations require division, combinations do not.

Why is a locker combination technically a permutation?

• Because the order of numbers doesn't matter.

• Because it involves a sequence of letters.

• Because the order of numbers matters.

• Because it can be opened with any set of numbers.

How many outfits can you create from 2 pants, 3 tops, and 2 pairs of shoes?

• 6 outfits

• 7 outfits

• 12 outfits

• 8 outfits

What principle is used to multiply the number of ways each event can occur?

• The division principle

• The fundamental counting principle

• The combination principle

• The permutation principle

What does 3 factorial (3!) equal?

• 12

• 9

• 6

• 3

How many ways can you arrange 3 objects on a shelf?

• 3 ways

• 12 ways

• 9 ways

• 6 ways

If you have 10 objects but only 3 spots on a shelf, how many arrangements are possible?

• 30 arrangements

• 10 arrangements

• 720 arrangements

• 100 arrangements

What does the NPR formula calculate?

• Number of repetitions

• Number of possibilities

• Number of permutations

• Number of combinations

What is the result of using the combination formula for choosing 3 movies out of 5?

• 5 combinations

• 10 combinations

• 20 combinations

• 15 combinations

Using all objects in a combination results in how many combinations?

• Zero combinations

• Two combinations

• One combination

• As many as the factorial of the objects