Interpreting Key Features Algebra

What is the domain of the function?

• (-∞,5]

• (-∞,5)

• (-∞,2]

• (-∞,2)

Identify where the function is increasing and where it is decreasing.

• increasing x > -1 and decreasing x<-1

• increasing x < -1 and decreasing x > -1

• increasing ꓣ and decreasing nowhere

• increasing -1 < x < 4 and decreasing -3 < x < 1

What is the maximum height?

• 200

• 50

• 3

• 0

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Is this point a max or min?

• max

• min

What is another name for the x-intercepts of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

How many solutions does this graph have?

• one

• two

• no solutions

• all real numbers