Polynomials Major Test

What is the perimeter of a rectangle, in terms of x, with length of 4x - 9 and a length of 8x + 2?

• 12x - 7

• 24x -14

(4x³ - 5x² + 3x) + (- 2x³ - x² + 6x)

• 2x³ - 6x² - 9x

• 2x³ + 6x² + 9x

• -2x³ - 6x² + 9x

• 2x³ - 6x² + 9x

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z
• -x +10y - 10z
• x -10y - 10z
• -x -10y - 10z

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

• 2x² + x + 2 
• x + 2
• 2x² + x - 10 
• x - 10 

Multiply  7x²y³ (2x⁴y⁵ + 6xy³)

• 14x⁸y¹⁵ + 42x²y⁹

• 9x⁶y⁸ + 13x³y⁶

• 14x⁶y⁸ + 42x³y⁶

• 14x⁶y⁸ + 2x²y⁶

(5c - 2)(3c² - 5c + 4)

• 15c³ - 31c⁴ + 30c² -8

• 15c³ - 19c² + 10c -8

• 15c³ - 31c² + 30c -8

• 15c³ - 31c² + 30c +8

(4x+1)(5x−2)

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

(5x + 2)(x² - 3x + 6)

• 5x³ - 17x² +24x +12

• 5x³ + 17x² - 24x +12

• 5x³ - 13x² + 24x +12

• 5x³ +13x² - 24x - 12

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)