Writing Quadratic Functions

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

Tags

CCSS.HSF-IF.C.7A

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

What is the y-intercept of the following equation? f(x) = x² - 3x - 4

• (0,1)

• (0,-4)

• (0,3)

• (0,-3)

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

What is the axis of symmetry for the equation: y = ½(x - 4)² - 4?

• y = 4

• y = - 4

• x = 4

• x = - 4

Identify a, b, and c   f(x) = 3x² - 8 +5x

• A=3, B=5, C=-8
• A=3, B=-8, C=5
• A=3x², B=5x, C=-8
• A=3x² , B=-8, C=5x

Does f(x) = - 4x² have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

Does the graph of g(x) have a maximum or minimum value?  g(x) = -3x² + 7x - 2

• minimum

• maximum

Tags

CCSS.HSF-IF.C.7A

Write the following quadratic expression in VERTEX form...

x² + 4x + 10

• (x + 4)² + 6

• (x + 2)² + 6

• (x + 4)² - 6

• (x + 2)² - 6