7.2 Multiplying Polynomials

Add the polynomial (-3x + 4) + (8x - 5)

• 5x - 9

• 5x - 1

• 11x - 1

• 11x - 9

• None of these

(4q⁴ - 9q) - (6q + 8q⁴)

• 4q⁴ + 15q
• -4q⁴ - 15q
• -4q⁴ - 3q
• 4q⁴ + 3q

(8 - 5c²) - (4c⁴ - 6 + 9c²)

• -4c⁴ + 4c² + 2
• 4c⁴ + 4c² + 14
• -4c⁴ - 14c² + 14
• 4c⁴ + 14c² - 14

(2 + 3s⁴) - (5s⁴ + 8)

• 2s⁴ + 6
• -2s⁴ + 10
• 2s⁴ + 10
• -2s⁴ - 6

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

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

What is the perimeter of the rectangle?

• x²+8x-5

• 2x²+16x-10

• 2x²+10x-8

• 6x-2

What is the perimeter of the triangle shown?

• 9r²+r-5
• 9r⁴+r²-4
• 9r²-r+4
• 9r²+r-4

Add or Subtract to Simplify:
 (4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5
• 3x³ + 8x + 5
• 3x² + 5
• 7x³ + 8x + 5

What is the standard form of the polynomial,
 9x² + 5x + 27 + 2x³

• 27 + 5x + 9x² + 2x³
• 9x² + 5x + 2x³ + 27
• 9x² + 5x + 27 + 2x³
• 2x³ + 9x² + 5x + 27

Simplify the expression.
(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 20a - 7 
• 5a³ - 9a² - 20a - 7