8.4 Practice

Two characteristics of quadratic function f are given.

• The axis of symmetry of the graph of f is x = 4.

• Function f has exactly one root.

Based on this information, which graph could represent f?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

A graph of a quadratic function is shown. What are the zeros of the function? 

Select TWO correct answers.

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The graph has a ​minimum value of ​ (a)  

• -4
• 1
• -1
• 3
• -3
• 0

Tags

CCSS.HSF-IF.C.7A

Which statement is true based on the graph?

• The x-intercept is at

  (0, -1)

• The vertex is at

  (0, -1)

• The axis of symmetry is

  y=-1

• There are no x-intercepts

Tags

CCSS.HSF-IF.C.7A

Write the coordinate pair of the vertex for the graph shown.

Vertex =

• (3,5)

• (-3,5)

• (-3,-5)

• (3,-5)

• (2,-1)

• (-2,-1)

• (4,-1)

• (-1,4)

( ​ (a)   , ​ (b)   ​ )

• 9

• 0

• 3

• -9

• -3

A graph of a quadratic function is shown. What is the vertex of the function?

What is the vertex of this function?

a

b

c

d

Y-intercept

Zero(-)

Vertex

Zero (+)