Characteristics of Parabolas in the Real World

Identify a root

• (-1,9)
• (0,-8)
• (-4,0)
• (0,0)

Identify the y-intercept

• (-1,9)
• (0,-8)
• (-4,0)
• (0,0)

Identify the vertex

• (-1,-9)
• (0,-8)
• (-4,0)
• (0,0)

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

What is the green dashed line called?

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

What are the green dots called?

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

What is the green dot on this parabola called?

• vertex
• root
• zero
• solution

Which word is NOT a synonym for x-intercept?

• zero
• y-intercept
• solution
• root

Does the quadratic      y = - x² - 2x + 3  have a max/min vertex, and does the parabola open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down