Area and Perimeter Algebraic Expressions

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

• 4x + 28

• 2x + 21

• 3x + 21

• 4x + 21

Tags

CCSS.3.MD.D.8

The perimeter of the rectangle ABCD is:

• 2x + 3

• 4x + 6

• 8x + 12

Tags

CCSS.4.MD.A.3

Which expression represents the perimeter of the triangle?

• 4x + 4y + 5

• 6xy + 7

• 6x + 2y + 5

• 10xy + x + 2y

Tags

CCSS.HSA.APR.A.1

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

• w + 3

• 6w + 6

• 2 - 6w

• 6w + 2

Tags

CCSS.7.EE.A.1

Find the area of the rectangle.

2(​ x ) + 2(​ (a)   )

​ (b)   + ​ (c)   - ​ (d)  

​ (e)  

• 9x - 2

• 2x

• 18x

• 4

• 20x - 4

• 9x + 2

• 2 + x

• 11x

• 0

• 20x + 4

Answer explanation

To find the area of the rectangle, we use the formula for area, which is length times width. The expression simplifies to 9x - 2, which is one of the correct choices.

Tags

CCSS.HSA.APR.A.1

Find the area of the rectangle.

Mathematical Equivalence

ON

Tags

CCSS.HSA.APR.A.1

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

• 5x + 13

• 7x + 11

• 6x + 8

• 7x + 12

Tags

CCSS.HSA.APR.A.1

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

• (a) + (2a + 3) + (3a - 1)

• 5a + 2

• 6a + 2

• 7a

Tags

CCSS.7.EE.A.1

Which expression represents the perimeter?

• 3x + 3

• 4x + 3

• 4x + 6

• 6x + 6

Tags

CCSS.7.EE.A.1

Find the perimeter in simplest form:

• 6x + 11

• 6x² + 11

• 12x + 22

• 12x² + 22

Tags

CCSS.7.EE.A.1