Solving Quadratic Equations by Factoring

What is the first step to solve (x - 3)(x + 5) = 0?

• Plug in zero to x

• Use FOIL Method

• Solve for x

• Set each binomial factor equal to zero

What property will be used to solve (x+4)(2x-3) = 0?

• Distributive Property

• Zero Product Property

• Addition Property of Equality

• Transitive Property

What are the factors of the quadratic expression in -3x²+18x=0?

• -3x(x-6)

• 3x(x+6)

• (-3x+6)(x+3)

• (3x+6)(3x-6)

Which of the following quadratic equations has 0 as one of the roots?

• x² - 25 = 0

• x² + 7x +12 = 0

• x² + 10x + 25 = 0

• x² + 5x = 0

Find the roots of s² - 16s + 64 = 0.

• 8

• -8, 2

• -8, 8

• 2, -32

Find the solutions of 5y² - 15y = 0.

• y = 5 or y = -3

• y = 3 or y = -5

• y = 0 or y = 3

• y = -3 or y = 0

Do you agree that the quadratic equation (w - 6)² = 100 can be solved both by extracting square roots and by factoring?

• YES

• NO

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

• A
• B
• C
• D