Binomial Expansions 3/19/20 Assignment

Expand:
 (x - 2y)³

• x³ - 8y³
• x² - 4xy + 4y²
• x³ + 6x²y + 12xy² + 8y³
• x³ - 6x²y + 12xy² - 8y³

Tags

CCSS.HSA.APR.C.5

(4x - y²)⁴

• 256x⁴ - 64x³y² + 16x²y⁴ - 4xy⁶ + y⁸
• 256x⁴ - 256x³y² + 96x²y⁴ - 20xy⁶ - 4y⁸

Tags

CCSS.HSA.APR.C.5

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

• 5760
• -4320x²
• 5760x³
• -4320

Tags

CCSS.HSA.APR.C.5

Which of the following is the coefficient for the xy³ term of the expansion (3x-2y)⁴?

• 4
• -24
• -96
• 216

Tags

CCSS.HSA.APR.C.5

Expand and simplify.

• -24+9i

• 7+16i

• 31-40i

• -7-24i

Find the fourth term of the expansion (5+3y)⁵.

• 2025y⁴
• 750y³
• 75y⁴
• 6750y³

Which of the following is the coefficient for the xy³ term of the expansion (3x-2y)⁴?

• 4
• -24
• -96
• 216

State the coefficient for the a⁴b² term of (2a - 3b)⁶.

• -90
• 2160
• 15
• -3240

Find the coefficient of x⁷ in (1 - 2x)¹¹

• -42240
• -330
• 330
• 42240

Find the coefficient of x³ in the expansions of (1 - x)¹⁵.

• 500
• 455
• -455
• -500