6.1-6.3 Quiz

A rectangle has sides whose lengths in units are represented by polynomials as shown, where x is a positive integer. What is the simplified expression that can be used to represent the perimeter of the rectangle?

Mathematical Equivalence

OFF

Which expression is equivalent to (8x - 8xy + 5y) - (4x + 8xy - y)?

• 12x - 16xy - 5y

• 4x - 16xy + 6y

• 4x + 4y

• 4x + 16xy + 5y

Simplify the expression (7x + 7)(3x + 5).

Mathematical Equivalence

OFF

Which expression is equivalent to (x+3)(8x-8)?

• 9x - 5

• 8x² - 24

• 8x² + 32x - 24

• 8x² + 16x - 24

• 3
• 5
• 7
• 1

Mathematical Equivalence

OFF