Intro to Quadratic Graphs

Intro to Quadratic Graphs

Multiple Choice

Does the following parabola open up or down?
 $x^2+2x+3$  

• Up

• Down

Multiple Choice

Does the parabola open up or down?
 $-x^2-2x$  
 

• Up

• Down

Multiple Choice

 $-x^2+6x+8$  Does the following parabola open up or down?

• Up

• Down

Multiple Choice

Which of the following is the vertex of the graph?

• (0, 3)
• (3, -6)
• (1, 10)
• (4, -5)

Multiple Choice

Which of the following is the vertex of the graph?

• (2, 0)
• (-2, 0)
• (0, 4)
• (-1, 3)

Multiple Choice

Does the graph have a minimum or maximum?

• minimum
• maximum

Multiple Choice

Does the graph have a minimum or a maximum?

• minimum
• maximum

Multiple Choice

Does this graph have a maximum or minimum?

• Minimum

• Maximum

Multiple Choice

The vertex of this quadratic is...

• (1,16)
• (-3,0)
• (5,0)
• (0,15)

Multiple Choice

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Multiple Choice

What is the axis of symmetry for this graph?

• y=2
• x=2
• x=0
• y=0

Multiple Choice

What is the green dashed line called?

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

Multiple Choice

What shape is the graph of a quadratic?

• Hyperbola

• Parabola

• Straight Line

• Circle

Multiple Select

Parabolas can open which of the following ways?

• Up

• Down

• Right

• Left

Multiple Choice

What are the coordinates of the y-intercept?

• (-3, 0)
• (0, -3)
• (2, 1)
• y=-3

Multiple Choice

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Multiple Choice

Use the picture to find the vertex and axis of symmetry

• Vertex (3,8) Axis x = 3

• Vertex (3,8) Axis y = 3

• Vertex (8,3) Axis x = 3

• Vertex (8,3) Axis y = 3

Multiple Choice

An axis of symmetry is...

• a vertical line

• a horizontal line

Multiple Choice

A parabola changes direction at what point?

• Slope

• Y-intercept

• vertex

• x-intercept