Operating with Polynomials

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

• 3x² - 5

• 3x²-16x -5

• 3x² -14x -5

• 3x² + x

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

• 3x² -14x -5

• 3x² -5

• 8x -8

• x² -15x -5

Which of the following is written in standard form?

• 2x - 5x² -7

• -7 -5x² +2x

• -5x² -7 +2x

• -5x² +2x -7

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

• x² -8x

• x² -2x -8

• 2x³-3x² -18x-8

• 2x³ -8

Find the area of the rectangle.

• 8x² + 14x + 6

• 12x + 10

• 8x² + 6

• 6x² + 14x + 6

Add or Subtract to Simplify:
(5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2 

• x + 2

• 2x² + x - 10 

• x - 10 

Perform the indicated operation:
(x + 2)(x - 3)

• 2x² + 5x + 6

• -2x - 1

• x² + 5x + 6

• x² - x - 6

Perform the indicated operation:
(x² + 2)(x + 3)

• x³ + 5x + 6

• -2x - 1

• x³ + 3x²+ 2x + 6

• x³ + 5x²+ 6

Which of the following operations may not result in a polynomial when performed?

• adding two polynomials

• subtracting two polynomials

• multiplying two polynomials

• dividing two polynomials

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24

• 4x⁴ - 9x³ - 10x² - 2x - 24

• 4x⁴ - 9x³ - 10x² + 2x - 24

• -4x⁴ - 9x³ - 10x² - 24