Vertex Form Warm Up

Give the Vertex of the parabola:

y = (x + 5)² - 4,

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

The axis of symmetry line passes through which point?

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

Tags

CCSS.HSG.GPE.A.2

What is the equation of this graph?

• f(x) = (x - 5)² + 1

• f(x) = (x - 1)² - 5

• f(x) = (x + 1)² - 5

• f(x) = (x + 5)² +1

Tags

CCSS.HSF-IF.C.7A

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

Which equation has a vertex of (-3, 4)?

• y = (x + 3)² + 4

• y = (x + 3)² - 4

• y = (x - 3)² + 4

• y = (x - 3)² + 4

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

Tags

CCSS.HSF-IF.C.7A

Give the vertex of the parabola:

y=2(x - 3)² + 4

• (3,4)

• (-3,4)

• (3, -4)

• (-3,-4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

True or False: y = -2x² will open downward (a.k.a reflected over the x - axis)

• True

• False

Tags

CCSS.HSF-IF.C.7A

Which of the following will look "taller" than the parent function? (a.k.a. vertical stretch)

• y = - x²

• y = (x+1)²

• y = 3x²

• y = .05x²

Tags

CCSS.HSF.BF.B.3