Factoring Quadratic Functions X Method

Factor x²-16

• (x+4)²

• (x-4)²

• (x-16)(x+16)

• (x-4)(x+4)

Which method would be most efficient for solving the equation?

• factoring

• completing the square

• graphing

• quadratic formula

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

Convert x² - 9x + 20 to factored form and solve.

• (x-10)(x+2); x = -2, 10

• (x+4)(x+5); x = -5, -4

• (x-4)(x-5); x = 4, 5

• Not factorable

Solve by factoring: x² - 5x + 6 = 0
Put the solutions in order from least to greatest.

• -6

• 3

• 6

• -3

• 9

• -2

• -9

• 2

• 18

• -1

Solve for m by factoring.

• A

• B

• C

• D

Solve by factoring: x² + 3x - 18 = 0
Put the solutions in order from least to greatest.

{​ (a)   ,​ (b)   }

• -6

• 3

• 6

• -3

• 9

• -2

• -9

• 2

• 18

• -1

The function below can be used to describe the path of a bird flying through the air. f(x) = x^2 - 4x - 32 Which of the following shows the correct factorization of this function f(x) = 0?

• (x + 4)(x + 8) = 0

• (x + 4)(x - 8) = 0

• (x - 4)(x + 8) = 0

• (x - 4)(x - 8) = 0

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

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