Quadratic key features

What is the vertex?
f(x)=x²-8x+3

• (-8, 3)
• (4, -13)
• (4, 0)
• (-4, 51)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (0, 7)
• (0, -7)

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?
f(x) = -3(x+1)²-5

• x = -5
• x = 1
• x = -1
• x = 3

What is the y-intercept?
f(x) = -3(x+1)²-5

• (0, -8)
• (0, -5)
• (0, -3)
• (0, -1)

Does y = -4x² have a maximum or minimum value?

• maximum

• minimum

What is the domain and range of the following function:

y = 3x² - 54x + 241

• Domain: all real numbers

  Range: y ≥ -2

• Domain: all real numbers

  Range: y ≥ 9

• Domain: all real numbers

  Range: y > -2

• Domain: all real numbers

  Range: y > 9

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Tags

CCSS.HSA.REI.B.4

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

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

• x = -6

• x = 8

• x = -8

• x = 0

Tags

CCSS.HSA.REI.B.4

Which quadratic function is represented by the graph?

• y = 2(x - 4)² + 5
• y = 2(x + 4)² + 5
• y = -2(x - 4)² + 5
• y = -2(x + 4)² + 5