Polynomial Operations - Final Review

 Find the sum. (a)  

• -2x2 + 11x -4
• 2x2 + 3x +1
• -2x2 - 11x -4
• 2x2+ 5x -7

Find the difference. (3- 2x + 2x2) - (4x -5 +3x2) (a)  

• x2 + 6x + 8
• 2x2 + 5x - 7
• -x2 -6x + 8
• -2x2 + 11x - 4

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Multiply.
(b+3)(b²+2b+1)

• b³+6b²+6b+3
• b³+5b²+7b+3
• 4b³+8b²+3b
• 3b³+6b²+3b

Simplify:

• -4x - 3
• x² - 3
• -4x² - 6x
• -4x - 6

Find the perimeter of the rectangle

• P= 10x + 2
• P= 12x
• P = 12
• P = 6x² + 3x

^{The perimeter of the triangle is 10x+20. Find the length of the missing side.}

• 6x+10

• 15x+30

• 5x+10

• 5x-10

(2x - 1)(x + 2)

• 2x² + 3x - 2
• 2x² - 5x - 2
• 2x² + 3x + 2
• 2x² - 5x + 2

(4x+1)(5x−2)

• 20x² + 3x − 2
• 20x² − 11x + 5
• 20x² − 18x + 2
• 20x² − 3x − 2

What is the degree of the polynomial:
7x³ – 8x² + 9

• 5
• 2
• 6
• 3