Week 2 Wednesday Live practice

Select the correct expansion of

(1 - x)⁵

• 1 − 5x + 10x² − 10x³ + 5x⁴ − x⁵

• 1 + 5x + 10x² + 10x³ + 5x⁴ + x⁵

• -1 + 5x - 10x² + 10x³ - 5x⁴ + x⁵

• 1 − 5x + 10x² + 10x³ + 5x⁴ − x⁵

Select the correct expansion of

(1 + x)⁴

• 1 + 4x + 6x² + 4x³ + x⁴

• x + 3x² + 3x³ + x⁴

• 1 + 5x + 10x² + 5x³ + x⁴

• 1 + 2x² + x⁴

Select the correct expansion of

(1 - 2y)³

• 1 + 6y + 12y² + 8y³

• 1 − 6y + 12y² − 8y³

• 1 − 3y + 3y² − y³

• 1 + 3y + 3y² + y³

Find the expansion

• x³ + x²y + xy² + y³

• x³ + 6x²y² + y³

• x³ + 6xy + y³

• x³ + 3x²y + 3xy² + y³

Find the expansion

• a⁵ − 5a⁴b + 10a³b² − 10a²b³ + 5ab⁴ − b⁵

• a⁵ + 5a⁴b + 10a³b² + 10a²b³ + 5ab⁴ + b⁵

• a⁵ - 5a⁴b - 10a³b² - 10a²b³ - 5ab⁴ - b⁵

• a⁵ − 5ab + 10ab − 10ab + 5ab − b⁵

Solve using long division.  $\left(x^2+2x\ -\ 63\right)\div\left(x+9\right)$  

•  $x-7$  

•  $x^2-7$  

•  $x+7$  

•  $x^2+3x-54$  

Is this division problem worked correctly?

• This is correct!

• This is incorrect, and error occurs on the 2nd line!

• This is incorrect, and the error occurs on the 4th line!

• This is incorrect, and the error occurs on the 3rd line!

What do you call the number that you divide by?

• Quotient
• Divisor
• Remainder
• Factor

The answer to a division question is called the. . .

• Divisor

• Multiplier

• Quotient

• Sum