Quizziz Live: Solving Quadratics by Factoring

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

In factored form you can see the ______ of the graph easily.

• y-intercept

• vertex

• x-intercepts

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

What are the x-intercepts for g(x) = (x + 8)(x + 2)

• 8 and 2

• (8, 2)

• -8 and - 2

• (-8, -2)

What is the greatest number of solutions that a Quadratic Equation can have?

• 0
• 1
• 2
• 3

Solve
a² + 2a - 24 = 0

• a = {-6, 4}

• a = {6, -4}

• a = {12, -2}

• a = {8, -3}

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

What is the factored form and the solution to

x² - 6x + 9

• (x-3)(x-3)

  x = {3}

• (x+3)(x+3)

  x= {-3}

• (x+4)(x+2)

  x = {-4, -2}

• Not factorable

Solve
(4a + 3)(4a - 3) = 0

• a = ^-3/₄, ³/₄ 
• a = ^-4/₃, ⁴/₃ 
• a = ^-9/₁₆, ⁹/₁₆ 
• a = ^-16/₉, ¹⁶/₉ 

• x= 3/4 and x = -20

• x = -3/4 and x = 20

• x = 3 and x = 20

• x = -3 and x = -20