Key Features of Quadratic Functions Extra Credit

The set of all y values used in a function's graph is called what?

• Increasing interval

• Decreasing interval

• Domain

• Range

The set of all x values used in a function's graph is called what?

• Increasing interval

• Decreasing interval

• Domain

• Range

The set of x values for which the graph goes upward is called what?

• Increasing interval

• Decreasing interval

• Domain

• Range

The set of x values for which the graph goes downward is called what?

• Increasing interval

• Decreasing interval

• Domain

• Range

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

• maximum
• minimum
• neither
• both

What is the range of this function?

• (- ∞,+∞)
• [0, +∞)
• [-2, +∞)
• [2, +∞)

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Is this a max or min?

• max
• min
• cannot be determined

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)