Solving Quadratic Review

x²+4x-32=0

• x= -8, 4

• x= 8, -4

• x= -8, -4

x²-14x-51=0

• x= 17, -3

• x= -17, 3

• x= -17, -3

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What do the "Zeros" represent on a quadratic equation graph?

• x-intercepts

• y-intercepts

• vertex

• focus

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

What is standard form of a quadratic Equation?

• Ax² + Bx + C = 0

• Ax² + B + Cx = 0

x²-7x=0

• x= 0, -7

• x= 0, 7

81x²=25

• x= 5/9, -5/9

• x= -5/9, -5/9

• x= 5/9, 5/9

Solve

16a² - 9 = 0

• a = ^-3/₄, ³/₄

• a = ^-4/₃, ⁴/₃

• a = ^-9/₁₆, ⁹/₁₆

• a = ^-16/₉, ¹⁶/₉

Given a graph, how can you find the "solutions" to a quadratic?

• Copy off neighbor

• Plug into calculator

• Solutions are where the quadratic crosses the x axis

• Magic 8 Ball