Quadratic Functions

What is the formula above primarily used for?

• Finding the axis of symmetry from standard form

• Finding the vertex from standard form

• Finding the vertex from vertex form

• Finding the axis of symmetry from intercept form

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

• x = -4
• x = 4
• y = 4
• y = -4

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

Tags

CCSS.HSA.CED.A.1

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Which of the following parabolas will have a minimum?

• y = -x² + 4
• y = -x² + x - 3
• y = -x² - 2
• y = x² + 2x - 8

Tags

CCSS.HSF-IF.C.7A

Which equation below is a quadratic?

• y=9x+5
• y=3x²-6
• y=5x³+6
• x=3^x

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.CED.A.1

Does the equation open up  or down? 
Y = -3x² +7x - 2

• up
• down

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 vertex of this quadratic equation?

y = 2(x - 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)