Exam Unit 8 - Part B - Describing Quadratic Functions

A quadratic function is shown on the grid.

Choose the correct answer from each drop-down box to complete the statement.

The function has a ​ (a)   value of ​ (b)   .

• maximum
• -2
• 0
• minimum
• -10
• 2

The graph of the quadratic function f is shown.

What are the characteristics of the graph of f?

Move the correct answer to each box.

Roots: (-2, 0) and (a)  

Vertex: ​ (b)  

• (2, 0)
• (0, -4)
• (-4, 0)
• (0, 2)
• (0, -2)

A swim team member performs a dive from a 14-foot-high springboard. The given parabola shows the path of her dive.

What was the diver's maximum height?

• 23

• 8

• 3

• 24

Which graph best represents a quadratic function that has only one zero?

• 
• 
• 
• 

The graph of quadratic function K is shown.

Which statements are best supported by the graph of k?

I. The x-intercept is located at (-3, 0).

II. The coordinates of the y-intercept are (0, 9).

III. The axis of symmetry is x = -3.

• I and II only

• I and III only

• II and III only

• I, II and III

Which graph best represents a quadratic function with a range of all real numbers greater than than or equal to 3?

• 
• 
• 
• 

The graph of quadratic function f is shown.

Which of these best represents the domain of f?

• -3 ≤ x ≤ 2

• All real numbers

• y ≥ 5.5

• All real numbers less than -3 or greater than 2

What is the domain and range of the quadratic function shown?

Move the correct answer to each box. Not all answers will be used.

Domain: ​ (a)   Range: ​ (b)  

• All real numbers

Given: p(x) = -4(x - 15)² + 2,

what is the value of p(7) ?

Mathematical Equivalence

ON

The graph of quadratic function h is shown.

Which statements are true? Select THREE correct answers.

• The y-intercept of the graph is (0, 5).

• The maximum of the graph is -4.

• The axis line of symmetry is x = -3.

• The function has exactly one zero.

• The minimum of the graph is -4.