Quadratic Functions Vocabulary & Vertex

What is the orange line called?

• Line of Solutions

• Roots

• Vertex

• Axis of Symmetry

Tags

CCSS.HSF-IF.C.7A

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is called a

• line

• parabola

• half oval

• vertex form

Tags

CCSS.HSF-IF.C.7A

The point  $\left(-2,\ 4\right)$  is called the _________ .

•  $x-intercept\$  

•  $y-intercept$  

•  $axis\ of\ symmetry$  

•  $vertex$  

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry is _____________________ .

• the line  $x=3$  

• the point  $\left(3,\ 2\right)$  

• the line  $y=3$  

• the point  $\left(4,\ 0\right)$  

Tags

CCSS.HSF-IF.C.7A

The minimum of a quadratic function is

• The lowest point (vertex) on a graph when a parabola opens up; the point where the graph changes from decreasing to increasing
• The highest point (vertex) on a graph when a parabola opens down; the point where the graph changes from increasing to decreasing

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The maximum of a quadratic function is

• The highest point (vertex) on a graph when a parabola opens down; the point where the graph changes from increasing to decreasing
• The lowest point (vertex) on a graph when a parabola opens up; the point where the graph changes from decreasing to increasing

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up
• (-1, 4); opens down
• (1, 4); opens up
• (1, 4); opens down

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7