Key Features of Quadratics

Match the following term with the best definition.

• The shape of a quadratic function

• parabola

• The highest or lowest point

• roots/zeros

• The point(s) where it crosses the x-axis

• vertex

• The line of reflection of a quadratic function

• axis of symmetry

• C

• 3

• B

• -4

• A

• 2

What is the vertex of the given quadratic?

Answer as an ordered pair (x,y).

What is/are the root(s)/zero(s) of the given quadratic?

Choose all that apply.

• (-3, 0)

• (-1, 4)

• (1, 0)

• (-2, 2)

• (2, -5)

Which best describes the axis of symmetry?

​ ​ (a)  

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

What does a NEGATIVE leading coefficient represent in a quadratic?

• It has a minimum

• It has a maximum

• It has a negative slope

• There is only 1 y-intercept

• 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

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry