Algebraic Perimeter

Which of the following best represents the perimeter of the given polygon?

• 4x + 28

• 2x + 21

• 3x + 21

• 4x + 21

What expression may be used to model the perimeter of the given polygon?

• 12x + 2y - 2

• 12x + 6y + 2

• 12x + 6y - 6

• 12x + 6

Write an expression in simplest form for the perimeter of the figure.

• (a) + (2a + 3) + (3a - 1)

• 5a + 2

• 6a + 2

• 7a

Which expression represents the perimeter?

• 3x + 3

• 4x + 3

• 4x + 6

• 6x + 6

What is the perimeter of the rectangle? Write an expression to represent the perimeter.

• 5x + 5x+ x+3 + x+3

• 5x+x+3

• 5x + x+3 + 5x

• (5x)(x+3)

Find the perimeter of the rectangle.

Remember to combine like terms!

• 16x + 20

• 8x + 10

• 80x

• 18x

What is the perimeter of this figure?

A rectangle has width (2x + 3) and length (2x - 4). What is the perimeter of the rectangle?

(HINT: Perimeter means add all the sides together. Just do not forget how many sides a rectangle has).

• 4x - 12

• 4x - 1

• 8x - 2

• 4x² - 2x - 12

What is the perimeter of the rectangle (combine like terms)

• 5x + 7

• 10x + 4

• 12x

• 15x + 12

Find and simplify an expression representing the perimeter of a square with a side length of 15-2x.

• 30-4x

• 60-8x

• 17x

• 68x