Parabolas Basics

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

How many roots does this parabola have? 

• 3

• 2

• 0

• 1

The axis of symmetry is a line that goes through the...

• y-intercept

• any random point

• vertex

•  x-axis or y-axis

The equation for this graph is...

• y = x²

• y = -x² - 1

• y = x²  - 1

• y = -x²

Name the symmetrical points.

• (0,0) and (1,-1)

• (2,-4) and (-1,-1)

• (-2,-4) and (0,0)

• (2,-4) and (-2,-4)

(0,0) on this graph is the...

• vertex and minimum

• vertex and maximum

• symmetry point

• range

What is the y-intercept of the parabola y = 5x² - 3

• 5

• 3

• - 3

• -5

What is the equation of this graph?

• y = x² + 1

• y = - x² + 1

• y = x²

• y = - x²

The equation of the parabola is:

• y = x + 2

• y = x² + 2

• y = x - 2

• y = x² - 2

What is the equation of this graph?

• y = - x²

• y = - x² - 3

• y = - x² + 3

• y = x² + 3