Polynomials + Perimeter & Area

Find the area of a rectangle with length (x - 5) and width (3x + 1).

• 3x²+16x-5
• 3x²-14x+5
• 3x²-14x-5

Choose the correct answer below.

What is the perimeter of the backyard?

^{The perimeter of the
 triangle is 10x+20. Find the length of the missing side}

• 6x+10
• 15x+30
• 5x+10
• 5x-10

Which algebraic expressions are polynomials?

• x²y² - 4x³ + 12y

• 3.9x³ - 4.1x² + 7.3

Find the area of the shape.

Find the volume of a rectangular prism with length (x+2), width (x-4), and height (2x+1). 

What is the primary focus when calculating the area of a rectangle using polynomials?

• Adding the coefficients

• Finding the highest exponent

• Multiplying polynomial expressions

• Subtracting the lengths of all sides

What property is essential when simplifying the width of a rectangle in polynomial form?

• Identity property

• Commutative property

• Distributive property

• Associative property

When calculating the perimeter using polynomials, what is crucial to remember about exponents?

• They are always squared

• They must be added

• They do not change when adding

• They must be multiplied