Quadratic Functions

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

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

• y = -2
• x = 3
• x = -3
• y = 2

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

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

• (0, 2)

• (0, -2)

• (0, 1)

• (0, -1)

Tags

CCSS.HSF-IF.C.7A

Is this a max or min?

• max
• min
• cannot be determined

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3