Multiplying Polynomials #3 (Applications)

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

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.B.3

Find the area of the triangle with height (x+8) and base (2x+4). (A=1/2bh)

• 2x²+20x+32
• x²+10x+16
• 4x²+40x+64

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

• 8x-8
• 4x-4
• 8x+8
• 4x+12

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the volume of a rectangular prism with length (x+2), width (x-4), and height (2x+1). (V=lwh)

• 2x³-3x²-18x-8
• x²-2x-8
• 2x³+5x²+18x-8y

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.HSA.APR.A.1

CCSS.HSA.SSE.A.1

What is the perimeter of the rectangle?

• x²+8x-5

• 2x²+16x-10

• 2x²+10x-8

• 6x-2

Tags

CCSS.HSA.APR.A.1

Write a polynomial expression for the area of the triangle: 

• 18x² - 54x
• 9x² + 9
• 36x² + 108x
• 9x² + 27x

• 8x² + 4
• 4x² + 2

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.B.3

Which expression represents the perimeter of the triangle?

• 8xy + 3
• 5x + y + 3
• 5x + 4y + 3
• 6x + 3y + 3

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.B.6

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