Factoring Formulas and Definitions

What is the factored form of a³ - b³, the difference of cubes?

• (a + b)(a² - ab + b²)

• (a - b)(a² - ab + b²)

• (a - b)(a² + ab + b²)

• (a + b)(a² + ab - b²)

• (a - b)(a² - ab - b²)

What is the factored form of a³ - b³, the difference of cubes?

What is the factored form of a³ + b³, the sum of cubes?

• (a + b)(a² - ab + b²)

• (a - b)(a² - ab + b²)

• (a - b)(a² + ab + b²)

• (a + b)(a² + ab - b²)

• (a - b)(a² - ab - b²)

What is the factored form of a³ + b³, the sum of cubes?

What is the factored form of a² - b², the difference of squares?

• (a + b)(a - b)

• (a + b)(a + b)

• (a - b)(a - b)

• (a - b)(a - b)

• (a + b)(a² - ab + b²)

What is the factored form of a² - b², the difference of squares?

What is the factored form of a² + b², the sum of squares?

• (a + bi)(a - bi)

• (a + bi)(a + bi)

• (a - bi)(a - bi)

• (a - bi)(a - bi)

• (a + b)(a² - ab + b²)

What is the factored form of a² + b², the sum of squares?

What is the value of i²?

• -1

• 1

• 0

• -i

What is the value of i³?

• -1

• 1

• 0

• -i