Parabola

Which word is NOT a synonym for x-intercept?

• zero
• y-intercept
• solution
• root

What is the green dot on this parabola called?

• vertex
• root
• zero
• solution

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Identify the vertex

• (-1,-9)
• (0,-8)
• (-4,0)
• (0,0)

Identify the y-intercept

• (-1,9)
• (0,-8)
• (-4,0)
• (0,0)

Identify a root

• (-1,9)
• (0,-8)
• (-4,0)
• (0,0)

Which point is the y-intercept of the parabola on the graph?

• A

• B

• C

• D

Answer explanation

The y-intercept is where the parabola crosses the y-axis.