HW 8-1 Key features of a quadratic function

Define Vertex

• Where the parabola intersects the y-axis

• The highest or lowest point on the graph

• Where the parabola touches or intersects the x- axis

• A vertical line that cuts the graph in half

Define Axis Of Symmetry

• A vertical line that cuts the graph in half

• Where the parabola touches or intersects the x- axis

• Where the parabola intersects the y-axis

• The highest or lowest point on the graph

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Which point is the vertex?

• (-8, 0)

• (-5, -9)

• (-2, 0)

• (-9, -5)

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

What is the equation for the axis of symmetry?

• x=1

• y=1

• x=2

• y=2

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

If the vertex of a parabola is (2, −3), what is the axis of symmetry?

• $x=-3$

• $y=-3$

• $x=2$

• $y=2$

If the vertex of a parabola is (0, 3), what is the axis of symmetry?

• $x=0$

• $y=0$

• $x=3$

• $y=3$