Question

Use Pascal’s Triangle to write out the expansion of  (a+b)3 .(1 point)
Responses

a3b3+3a2b2+3ab+1
a cubed b cubed plus 3 a squared b squared plus 3 a b plus 1

a3+3a2b+3ab2+b3
a cubed plus 3 a squared b plus 3 a b squared plus b cubed

a3+b3
a cubed plus b cubed

a+3a2b+3a3b2+b3

Answer 1

Cherese started a Green Club at her school and needs to appoint a board of members. There are eight people available for these roles. How many different selections of four out of eight people could she choose? Write Pascal’s Triangle from row 0 to row 8 and use it to solve the problem.(1 point)
Responses

2
2

56
56

35
35

70

Answer 2

a + 3a^2b + 3a^3b^2 + b^3