Quadratic Equation

The general form of a quadratic equation is

Which of the following is an example of quadratic equations?

• x + 9 = 0

• x + y =12

• x³ + 5x² - 14 =0

• x² - 2x = 7

What are the values of a, b, and c in the quadratic equation 3x² - 10 = -4x

• a = 3x² b = -10 c = -4x

• a = 3 b = -10 c = -4

• a = 3 b = -4 c = -10

• a = 3 b = 4 c = -10

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

A parabola is upside-down when a is:

• negative
• positive
• 0
• infinite

Which best describes the vertex of a parabola?

• Any point on the parabola.
• A point on the x-axis.
• The highest or lowest point of a parabola
• A point on the y-axis.

Name the vertex

• (1,1)

• (0,0)

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Does this parabola have a minimum or maximum and what is its value?

• minimum: 2
• maximum: 2
• minimum: 5
• maximum: 5