Question Use Pascal's Triangle to expand (y+ 3)5 completely.
Group of answer choices

y5 + 15y4 + 90y3 + 270y2 + 405y+243

y5 + 15y4 + 90y3 + 270y2 + 450y + 243

y5 + 15y4 + 90y3 + 270y2 + 450y + 729

y5 + 15y4 + 90y3 + 270y2 + 405y + 729

Question
Use Pascal's Triangle to expand (b - 3a)4 completely.
Group of answer choices

b4 - 12b3a + 54b2a2 - 108ba3 + 81a4

b4 + 12b3a - 54b2a2 + 108ba3 - a4

b4 - 12b3a + 54b2a2 - 180a3 + 1

b4 - 12b3 + 54b2 - 180a

Question
Find the fourth term in the expansion of (x + 3y)4
Group of answer choices

108xy3

81xy3

54xy3

81x2y2

Question
Find the second term in the expansion of (2x - 1)6
Group of answer choices

-192x5

192x5

240x5

-240x5

Question
Find the coefficient of y3 in the expansion of (y - 2)7.
Group of answer choices

560

-560

672

-672