Use Pascals triangle

1
EXAMPLE 4
Use Pascals triangle
SOLUTION
Because you need to find 6C2, write the 6th row
of Pascals triangle by adding numbers from the
previous row.
2
EXAMPLE 4
Use Pascals triangle
3
for Example 4
GUIDED PRACTICE
What If? In Example 4, use Pascals triangle to
find the number of combinations of 2 members that
can be chosen if the Model UN club has 7 members.
6.
SOLUTION
Because you need to find 7C2, write the 7th row
of Pascals triangle by adding numbers from the
previous row.
4
for Example 4
GUIDED PRACTICE