binomial expansion

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

What number can always be found at the left side of the triangle?

• 0

• 1

• 2

• 3

• 4

Find the 4th term in the expansion of (4x-3)⁵.

• 5760
• -4320x²
• 5760x³
• -4320

Expand the expression.
(2x+5)⁴

• 2x⁴ + 40x³ + 300x² + 1000x +625
• 16x⁴ + 160x³ +600x² +1000x + 625
• 16x⁴ + 1000x³ + 600x² + 160x +625

Expand (x + 2)³

• x³ + 6x² - 12x + 8
• x³ + 6x² + 12x + 8
• x³ - 6x² + 12x - 8
• x³ + 4x² + 12x + 6

Tags

CCSS.HSA.APR.C.5

Find the 4th term in the expansion of (4x-3)⁵.

• 5760
• -4320x²
• 5760x³
• -4320

Find the coefficient of the x² term in (2x-3)⁹

• 41472x²
• 41472
• -314928x²
• -314928

Tags

CCSS.HSA.APR.C.5