Adding Linear Expressions and Perimeter

(x-1) + (2x+ 3)

• 3x + 2

• 2x² + 4

• 3x + (-2)

• 2x + 2

The expression (8x + 4) inches represents the perimeter of a rectangle whose width is (3x − 4) inches. Find the length of the rectangle if x = 2.

• 7 in.

• 9 in.

• 8 in.

• 10 in.

Find the sum:
2(x + 3) + 3(3x - 2)

• 11x

• 11x - 12

• 11x + 12

• 0

Write a linear expression for the perimeter of the figure.

• 6x − 8

• 10x − 6

• 16x − 8

• 14x − 8

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

• 4x + 28

• 2x + 21

• 3x + 21

• 4x + 21

What is the perimeter, in units, of the model?

• 32x + 12 units

• 46x + 25 units

• 50x + 11 units

• 64x +24 units

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

Groups:

(a) Represents the Perimeter

,

(b) Does not Represent the Perimeter

• 2w + 10 + 4w - 8

• 6(5 + 2)

• 6+w+5+2

• (w+5) + (w-2) + (w-2) + (w+5) + (w-2) + (w-2)

• 6w + 2

• w+5

• 2(w+5) + 4(w-2)

• w-2

Find the perimeter of the rectangle

• 6x + 11

• 8x + 24

• 12x + 22

• 8x² + 28x + 24

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

• 5x + 13

• 7x + 11

• 6x + 8

• 7x + 12

Determine the perimeter of the rectangle.

• 6xy - 5

• 12xy +21

• 12xy - 5

• 6xy - 21