Key Features of Quadratic Functions

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 are the roots?

• 1 and -5

• -1 and 5

• 2 and -9

• -1, 5, and -5

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

• x = -6

• x = 8

• x = -8

• x = 0

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

Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is called a

• Parabola

• Vertex

• Axis of Symmetry 

• Vertex Form

Tags

CCSS.HSF-IF.C.7A

What is the name of the imaginary line that cuts a parabola in half and goes through the vertex?

• the middle

• axis of symmetry

• minimum

• standard form

Tags

CCSS.HSF-IF.C.7A

What is another name for the x-intercepts of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

Tags

CCSS.HSF-IF.C.7C

What is the domain and range of the following function:

• Domain: all real numbers

  Range: all numbers less than or equal to 2

• Domain: all real numbers

  Range: all numbers greater than 2

• Domain: all real numbers

  Range: all numbers greater than or equal to 2

• Domain: all real numbers

  Range: all numbers less than 2

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2

• -2

• 1

• -1