Binomial Theorem CFU

What is row 7 of Pascal's Triangle?

• 1, 5, 10, 5, 1
• 1, 5, 10, 10, 5, 1
• 1, 7, 21, 35, 35, 21, 7, 1
• 1, 7, 21, 35, 21, 7, 1

How many terms are the in the expansion of (a+b)⁵

• 5

• 6

• 25

• 50

• 3

What is the Binomial expansion of (x + 1)⁵ ?

• x⁵ + 5x⁴ + 10x³ + 10x² + 5x + 1

• x⁵ + 5x⁴ + 15x³ + 15x² + 5x + 1

• x⁵ + 6x⁴ + 15x³ + 15x² + 6x + 1

• x⁵ + 1

How many rows in The Pascal's triangle?

• 7

• 8

• 100

• Infinite

What would be the 2nd term of the expansion of (y+4)⁴?

• 253y

• 16y³

• 64y

• 96y²