Understanding Quadratics Quiz

Which of the following equations represents a parabola that opens downwards?

Tags

CCSS.HSF-IF.C.7A

• It determines the width of the parabola; larger values of |a| make the parabola narrower.

• It determines the direction the parabola opens; positive values of a make the parabola open upwards.

• It determines the x-intercepts of the parabola.

• Both A and B are correct.

What's the vertex of the parabola?

• (-2,4)
• (-1,1)
• (0,0)
• (2,4)

The vertex of the parabola is the...

• maximum 
• minimum
• axis of symmetry
• line of symmetry

The line of symmetry for this parabola is...

• x = 0
• y = 0
• x = 1
• y = 1

(0,1) on this parabola is the...

• vertex and maximum 
• vertex and minimum
• axis of symmetry
• focal point

Tags

CCSS.HSF-IF.C.7A

Name the y-intercept.

• (-4,4)
• (0,4)
• (-2,0)
• (0,0)

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

Which graph is a parabola?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Does this graph have a maximum or minimum?

• Minimum
• Maximum

Tags

CCSS.HSF-IF.C.7A