The Binomial Theorem

Question 1

Which row of Pascal’s triangle would you use to expand (2x + 10y)15?

Revolt · Accepted Answer

row 15

Question 2

What is the first term in this expansion?

Revolt · Accepted Answer

215x15

Question 3

How many terms are in this expansion? terms

Revolt · Accepted Answer

16

Question 4

Which expression represents the sixth term in the binomial expansion of (2a - 3b)10?

Revolt · Accepted Answer

10C5(2a)5(-3b)5

Question 5

Which of the following is the expansion of (2m - n)7?

Revolt · Accepted Answer

128m7 - 448m6n + 672m5n2 - 560m4n3 + 280m3n4 - 84m2n5 + 14mn6 - n7

Question 6

What is the fifth term in the expansion of (3x - 3y)7? x3y4

Revolt · Accepted Answer

76545

Question 7

Which of the following is the expansion of (3c + d2)6?

Revolt · Accepted Answer

729c6 + 1,458c5d2 + 1,215c4d4 + 540c3d6 + 135c2d8 + 18cd10 + d12

Question 8

What is the coefficient of the x6y3 term in the expansion of (x + 2y)9?

Revolt · Accepted Answer

672

The Binomial Theorem Answers