Perimeter and Polynomials

(a)  

• 3x - 3 inches
• 6x - 6 inches
• 3x - 6 inches
• 6x - 3 inches

If a rectangular field has a length of  $x+7$  and a width of  $4x-2$  ,  write an expression for the length of fencing to go around the outer edges.

•  $5x+5$  

•  $10x+10$  

• Why do we need fences?

•  $4x^2-14$  

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Choose the correct answer below.

• $P=6x^2+18x-10$

• $P=3x^2+9x-5$

• $P=12x-5$

• $P=24x^2-30$

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

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

• 4x - 12
• 4x - 1
• 8x - 2
• 4x² - 2x - 12

Tags

CCSS.7.EE.A.1

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

Find the perimeter of the triangle

• $4x+64$

• $4x^2+64$

• $3x+50$

• $3x^2+50$

Tags

CCSS.HSA.APR.A.1

Find the perimeter of a rectangle with a length of  $5x-6$  and a width of  $3x^2$  

•  $6x^2+10x-12$  

•  $6x^4+10x^2-12$  

•  $6x^2+10x$  

•  $6x^2+10x+12$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.B.3

• 23x + 36

•  $6x^2+10x+24$  

•  $9x^2+15x+36$  

•  $9x^6+15x^3+36$  

• $x+2$

• $4x^2+4$

• $4x^2+20$

• $4x^2+16x+4$

What is the perimeter of the rectangle?

• x²+8x-5

• 2x²+16x-10

• 2x²+10x-8

• 6x-2