Factoring and Multiplying Polynomials Quiz #2

Factor Completely: x²-17x+72

• (x-9)(x+8)
• (x-9)(x-8)
• x(x-3)
• (x+9)(x+8)

Factor Completely: x²-7x-8

• (x+1)(x-8)
• (x+1)(x+8)
• 5(x+4)(x+5)
• (x-1)(x+8)

Factor Completely: x²+13x+40

• (x+5)(x+8)
• 5x(x+3)
• 3x(x+6)
• x(x-4)

Factor the GCF
10x² + 15x-5

• 25(10x³+45x-15)
• 5(2x³ + 3x²-x)
• x(10x³+15x-5)
• 5(2x²+3x-1)

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

What is the first question you ask yourself when factoring a polynomial? 

• How many terms does it have? 
• Is there a GCF? 
• What strategy should I use? 
• Why do I have to learn this?!?!?!

Factor Completely: 
3x² + 18x +15
Hint: Factor GCF first.

• 3(x² + 6x + 5)
• (x + 5)(x + 1)
• 3(x + 5)(x + 1)
• Prime

Mult (2x + 3)(3x + 4)

• 6x² + 17x + 7
• 6x² + 17x + 12
• 6x² + 8x + 12
• 6x² + 9x + 12

(x - 7)(x + 7)

• x^2 + 7x - 49
• x^2 - 7x + 49
• x^2 - 49
• x^2 + 49

6v(2v + 3) 

• 12v+18
• 15v² + 8v
• 12v² + 18v
• 12v² + 18v²