Unit 7 Quiz Review

The set of all y values used in a function's graph is called what?

• Increasing interval

• Decreasing interval

• Domain

• Range

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The set of all x values used in a function's graph is called what?

• Increasing interval

• Decreasing interval

• Domain

• Range

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Tags

CCSS.HSF-IF.C.7A

Write a quadratic equation given the x intercepts and one other point.

Step 1: Write the factors.

The intercepts of this function are (6, 0) and (8, 0). Write the factors.

• (x-6) and (x-8)

• (x+6) and (x+8)

• (x-6) and (x+8)

• (x+6) and (x-8)

Tags

CCSS.HSF-IF.C.7A

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

What's the y-intercept of y = 3x²- 6x + 4

• (4,0)
• (-4,0)
• (0,-4)
• (0,4)

Determine the axis of symmetry ofy = -6x² -8

• x = -6
• x = 8
• x = -8
• x = 0

What is the axis of symmetry of y=2x²-4x+9?

• x = 1
• x = -1
• x = -2
• x = 4