Review 8

What is the product of (y - 6) and (y - 3)?

• y² + 9y + 18

• y² - 9y + 18

• y² + 9y - 18

• y² - 9y - 18

Which of the following is correct?

• (x - 3y)² = x² - 9y²

• (x - 3y)² = x² + 9y²

• (x - 3y)² = x² - 6xy + 9y²

• (x - 3y)² = x² + 6xy - 9y²

The expression m⁶ - n⁶ is equal to (m²)³ - ______.

• (n²)³

• (n³)³

• (n²)^-3

• (n^-2)³

Which of the following is a perfect square trinomial?

• y² - 4

• y² + 81

• y² - 16y - 64

• b² - 10b + 25

• 1

• 4

• 8

• 16

What is the product of x - 4 and x² + 4x + 16?

• x³ - 12x² + 24x - 6y

• x³ + 12x² - 24x - 6y

• x³ - 64

• x³ + 64

What is the greatest common monomial factor of the expression 16x² - 8xy - 24xy³?

• 4

• 8

• 8x

• 4xy

• -3

• 3

• -2

• 2

• (x - 5)² (x + 5)

• (x - 5) (x + 5)²

• x² -25

• x² - 10x + 25