Topic 2 Review

Factor

x² + 18x + 81

• (x + 9)(x – 9)

• (x + 18)²

• (x + 9)²

• (x + 6)²

Factor: x² - 30x + 225

• (x + 15)²
• (x - 15)²
• (x + 25)²
• (x - 25)²

Which of the following is a perfect square trinomial?

• x² – 4x – 4 
• x² – 6x – 9 
• x² + 6x – 9 
• x² – 4x + 4 

Which of the following is a perfect square trinomial?

• x² + 14x – 49 
• x² + 20x + 100 
• x² – 8x + 4 
• x² – 5x + 6 

Which of the following is NOT a perfect square trinomial?

• x² – 16x + 64 
• x² – 10x + 20 
• x² – 28x + 196 
• x² – 24x + 144 

Factor completely. 16p² - 8p + 1

• (4p-1)²

• (4p+1)²

• (p-4)²

• (4p-1)

Put into standard form: (x - 3)²

• x² - 9

• x² - 3x - 9
• x² + 6x - 9
• x² - 6x + 9

Factor: 2n²-8n³

• 2n²(n-4n²)

• 2n²(1-4n)

• 2n³(10-8n²)

• 3n(1-4n)

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)
• 5x(2x² - 3)
• 5(2x³ - 3x)
• 5x²(10x - 3)

What is the greatest common factor of the following polynomial? 12t³ + 30t² + 48t

• 12t
• 6t³
• 6t
• 12t³