Graphing Quadratic Functions

What piece of information does c identify in the following equation?

y=ax²+bx+c

• zeros

• axis of symmetry

• direction

• y-intercept

What are the x-intercept(s) of this graph?

• -1 and -3

• -1 and 3

• 1 and 3

• 1 and -3

Tags

CCSS.HSF-IF.C.7A

What are the coordinates of the y-intercept?

• (-3, 0)

• (0, -3)

• (2, 1)

• y=-3

Tags

CCSS.HSF-IF.C.7A

What is the range of the graph?

• all real numbers

• to infinity and beyond

• y ≥ -1

• x ≥ 0

Tags

CCSS.HSF-IF.C.7A

What is the domain of the graph?

• all real numbers

• to infinity and beyond

• y ≥ -1

• x ≥ 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the significance of the ordered pair (2, -4) to the graph?

• it is the vertex

• it is the y-intercept

• it is the axis of symmetry

• it is the x-intercept

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry?

• y = 3

• x = 3

• x = 5

• x = 1

Use the picture to find the vertex and axis of symmetry.

• Vertex: (8, 3); axis of symmetry: y=3

• Vertex: (8, 3); axis of symmetry: x=3

• Vertex: (3, 8); axis of symmetry: y=3

• Vertex: (3, 8); axis of symmetry: x=3

Tags

CCSS.HSF-IF.C.7A

An x-intercept is also called...

• a root

• a solution

An axis of symmetry is...

• a vertical line

• a horizontal line