Key Features of Quadratic Functions

A quadratic function is in the form of ​ (a)  

Match the following term with the best definition.

• parabola

• The line of reflection of a quadratic function

• Quadratic Function Equation

• vertex

• The highest or lowest point

• axis of symmetry

• The shape of a quadratic function

• Axis of symmetry equation

• A

• 3

• B

• 2

• C

• -4

What is the vertex of the given quadratic?

Answer as an ordered pair (x,y).

Which best describes the axis of symmetry?

​ ​ (a)  

• x = -1
• y = 4
• y = -1
• y = -3
• x = -3
• x = 1
• y = 1

What is the RANGE of the graph?

• y > -3

• y < -3

• All Real Numbers

• x > -3

• x < -3

What does a NEGATIVE leading coefficient represent in a quadratic? Select all answers.

• It has a minimum

• It has a maximum

• It opens UPWARDS

• It opens DOWNWARDS

• The axis of symmetry is on a negative number

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

Which of the statements about the graph is FALSE?

• The vertex is a maximum

• There are two zeros at x = -3 and x = 3

• The y-intercept is (0, 18)

• The range is y ≥ 18