Perimeter and Area with Linear Expressions

The side lengths of a triangle are given by the expressions 13x + 39, 15x –25, and 14x + 14. Write the simplified expression to represent the perimeter of the triangle.

• 42x+28

• 42x+91

• 133x

The perimeter of a square shaped garden is (36x + 24) feet. Write an expression that represents the length of one side of the garden.

• 18x+12

• 9x+6

• 144x+96

The area of a rectangular patio is (40x – 10). What are the possible dimensions of the patio?

• Length= 10 units

  Width= 4x-1 units

• Length= 2 units

  Width= 4x-1 units

• Length= 5 units

  Width= 8x+2 units

If the area of a square is 144 inches, what is the length of each side?

• 12 inches

• 16 inches

• 32 inches

• 76 inches

Which expression represents the perimeter of the rectangle?

• 12x  - 2

• 6x + 1

• 12x + 2

• 3x

Which expression represents the perimeter?

• 3x + 3

• 4x + 3

• 4x + 6

• 6x + 6

Which expression represents the area of the rectangle?

• 2x² + 3x

• 2x² + 3

• 3x + 3

• 4x² + 9

Which expression represents the perimeter?

• 14 + 2x

• 4x + 6

• 2x + 7

• 14 + 4x

Which expression represents the perimeter of the triangle?

• 8xy + 3

• 5x + y + 3

• 5x + 4y + 3

• 6x + 3y + 3

Which expression represents the perimeter of the triangle?

• 4x + 4y + 5

• 6xy + 7

• 6x + 2y + 5

• 10xy + x + 2y