Download 5-7: The Binomial Theorem

5-7: The Binomial Theorem
Warm-Up:
Multiply
 x  3
3
Expanding the power of a binomial (3 colors to write the expanded form)
Row
Power
Expanded Form
Coefficients Only
Pascal’s Triangle: A triangular array of numbers in which the first and last number in each
row is 1. Each of the other numbers in the row is the sum of the two numbers above it.
Row
Pascal’s Triangle
1) What is the expansion of
 a  b
2) What is the expansion of
 a  b
3
6
?
?
Binomial Theorem
3) What is the expansion of (𝑥 + 3)3 ?
4) Expand (𝑦 − 2)5
5) Expand (2𝑥 − 3)4
Home Work
~ TenMarks due 11/26
~ pg.329 (9, 11, 12, 14, 17, 18)