Introduction into Quadratic Functions

What are the coordinates of the vertex of this quadratic function?

• (1,2)

• (2,1)

• (3,2)

• (1,3)

What is the coordinates of the vertex of the f(x)= x²-2x+3?

• (1,2)

• (2,1)

• (3,2)

• (1,3)

What are the coordinates of the vertex of f(x) = -3x²-6x+4?

• (0.253, 0)

• (-2.528, 0)

• (0, 4)

• (-1,7)

What is the domain of this quadratic function?

• All real numbers

• x = 2

• y ≥ -4

• y ≤ -4

What is a Quadratic function?

• A function that is written in the form of f(x)=ax²+bx+c.

• A function that is written in the form of f(x)=ax⁴+bx²+c.

• 
  A nonlinear function that passes through the origin.

• Parabolic shaped function with a maximum or a minimum point.

Which represents the shape of a Quadratic Function?

• A

• B

• C

• D

Does this parabola open up or down?

• Up

• Down

• I am lost

What could the a-coefficient of this quadratic function be?

• 1

• -1

• 0

• Still lost

What could the a-coefficient of this quadratic function be?

• 1

• -1

• 0

• Still lost

Does this parabola have a maximum or minimum value?

• maximum value

• minimum value

• neither

• both