Combining Like Terms with Perimeter and Area

What is the perimeter of a triangle with sides the following lengths: 2a + 4c, 3c + 7, and 6a - 4?

Combine like terms in the expressions.

• 8a + 11c

• 6a + 7c + 3

• 8a + 7c + 3

• 8a + 7c + 11

Tags

CCSS.7.EE.A.1

Farmer Bob's son built a track to walk his pet pig.  The track goes around the pig pen.  The pig pen is 15 feet long and 21 feet wide.  If the pig walks all the way around the track, how many feet did he walk?

• 72 feet

• 36 feet

• 36 square feet

Tags

CCSS.4.MD.A.2

Preston and Brelon were at the playground measuring the new sandbox.  It was 6 feet wide and 11 feed long. What was the area of the sandbox

• 22

• 66

• 60

• 17

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Alice is building a​ fenced-in pen in her backyard for her ​dog, as shown. Write an expression that represents the total amount of fencing she will​ need, in feet.

• 4x + 26

• 26x

• 2x + 13

• 15

Tags

CCSS.HSA-SSE.A.1A

• 8x² + 4
• 4x² + 2

Tags

CCSS.HSA.APR.A.1

What is the perimeter of a rectangle with a width of 3x²+2x-4 and a length of 5x²-4x+4? (Hint-Draw a picture)

• 8x²-2x

• 16x²-4x

• 10x²-2x-8

• 20x²-4x-16

Tags

CCSS.HSA.APR.A.1

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

• 3x²+16x-5

• 3x²-14x+5

• 3x²-14x-5

Tags

CCSS.HSA.APR.A.1

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

• 4x² - 12

• 4x² - 1

• 8x² - 2

• 4x² - 2x - 12

Tags

CCSS.7.EE.A.1

Which expression represents the perimeter of the triangle?

• 8xy + 3

• 5x + y + 3

• 5x + 4y + 3

• 6x + 3y + 3

Tags

CCSS.HSA.APR.A.1

What is the perimeter for the given rectangle:

• 6x³ - 9x² + 10x - 15

• 6x² + 1x - 15

• 6x² + 4x + 4

• 6x³ + 1x² - 15x

Tags

CCSS.HSA.APR.A.1