Label Quadratic Key Features

Label the following important points on the graph.

a

b

c

d

h

(-)x-intercept

y-intercept

Maximum

Minimum

(+) x-intercept

Vertex

Range

Domain

Select the vertex of the graph.

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

Groups:

(a) x-intercept

,

(b) y-intercept

,

(c) vertex

• 
• (1,9)

• 
• a minimum

• (-3,0)

• (0,5)

• (5,0)

• a maximum

• 
• 
• (7,0)

• 
• 
• (0,-2)

Determine the following:

x-intercept:​ (a)   ​ (b)  

vertex: ​ (c)  

Domain:​ ​ (d)  

Range: ​ (e)  

• (1,0)

• (5,0)

• (3,-4)

• (-4,3)

• (-inf, +inf)

• (+inf, -inf)

• [-4, +inf)

• (-inf, -4]

Does the quadratic have a maximum or minimum?

• Maximum

• Minimum

The graph of a quadratic function is shown. Which values best represent the zeros of the function.

Select TWO correct answers.

• x = 1

• x = -4

• x = -1

• x = 3

• x = -3

What is the axis of symmetry of the graph?

(Remember it is an equation)

Mathematical Equivalence

ON

Define X-intercept

• The highest or lowest point on the graph

• Where the parabola touches or intersects the x-axis

• Where the parabola touches or intersects the y-axis

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

Define Y-intercept

• Where the parabola touches or intersects the x-axis, also called the x-intercept

• The lowest y-value on the graph

• The highest y-value on the graph

• Where the parabola touches or intersects the y-axis

Label the correct key features of the graph.

a

b

c

Root

Vertex

Axis of Symmetry