Key Points Quadratic

Label the following important points on the graph.

a

b

c

d

h

Maximum

(+) x-intercept

(-)x-intercept

Minimum

Range

Vertex

y-intercept

Domain

Select the x-intercepts of the graph.

Select the vertex of the graph.

Select the y-intercept of the graph.

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Which of the following represents a quadratic function?

Match the following term with the best definition.

• The shape of a quadratic function

• vertex

• The line of reflection of a quadratic function

• axis of symmetry

• Axis of symmetry equation

• parabola

• The highest or lowest point

• Quadratic Function Equation

• 1

• 3

• 2

• 5

• 4

Determine if the following are either x-intercepts, y-intercepts, or a vertex.

Groups:

(a) x-intercept

,

(b) y-intercept

,

(c) vertex

• (-3,0)

• a maximum

• (0,5)

• 
• 
• a minimum

• (7,0)

• 
• (1,9)

• (5,0)

• 
• 
• (0,-2)

•