Introduction to Quadratics

Which equation do you use to find the axis of symmetry? 

• y = mx + b
• x = -b / 2a
• x = a(b)^x
• y = -b / 2a

What is the axis of symmetry for this graph? 

• x = 2
• x = -4
• y = -4
• there is not one

Tags

CCSS.HSF-IF.C.7A

What is the "b" in this equation? 

• 1
• 4
• 0
• x

What is the "a" in this equation? 

• 1
• -8
• 15
• x²

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

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

• y = -2
• x = 3
• x = -3
• y = 2

Is this a max or min?

• max
• min
• cannot be determined

Does the graph have a minimum or maximum?

• minimum
• maximum

Tags

CCSS.HSF-IF.C.7A

Which of the following is the vertex of the graph?

• (2, 0)
• (-2, 0)
• (0, 4)
• (-1, 3)

Which of the following is the vertex of the graph?

• (0, 3)
• (3, -6)
• (1, 10)
• (4, -5)