12.5 Solving Quads by Factoring

What type of factoring would you use first?
9x² - 4

• Difference of 2 Squares
• x-method

• group

• GCF

What type of factoring would you use first?
4x³ - 24x

• Difference of 2 Squares
• group

• x-method

• GCF

What type of factoring would you use first?
3x⁴ - 9x

• Difference of 2 Squares
• group

• x-method

• GCF

What type of factoring would you use first?
x² - 7x -  8

• GCF
• Difference of Squares

• group

• x-method

What type of factoring would you use first?
16x⁴ - 81

• Difference of 2 Squares
• group

• x-method

• GCF

Which type of factoring would you use first? 
x²-4x+4

• GCF
• group

• Difference of Squares

• x-method

Which type of factoring would you use first? 
y²-9y+14

• GCF
• x-method

• group

• Difference of Squares

The standard form of a quadratic function is

• y = ax² + bx + c

• a(x - h)² + k

• y - y₁ = m(x - x₁)

• Ax + By = C

Solve for X:

(x-5)(x+6)=0

• {5,5 }

• { -5,-5 }

• { -5,-6 }

• {5,-6 }

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x
• Solve for x
• FOIL
• Set each binomial factor equal to zero