Understanding Quadratic Functions

What is the formula used to find the vertex of a quadratic function?

• A over 2B

• Opposite of A over 2B

• Opposite of B over 2A

• B over 2A

What is the y-value of the vertex for the given quadratic function?

• 3

• -5

• 5

• 0

What is the ordered pair for the point when x is 3?

• (3, -3)

• (3, 3)

• (3, 0)

• (3, -5)

What is the y-value when x is 4 in the quadratic function?

• 3

• -3

• 5

• 0

At what x-value do the two functions become equal?

• 0

• 2

• 4

• 6