Features of Quadratic Equations

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 increasing interval on the function shown?

What is the increasing interval on the function shown?

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

What is the range of the function?

• 0≤h≤3

• 0≤h≤36

• h<3

• t≤36

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 are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Find the decreasing interval

• (infinity, -2)

• (-infinity, 2)

• (2, infinity)

• (-2, infinity)

What was the maximum height of the water? Choose the key feature and the answer.

• y-intercept, 0 feet

• x-value of the vertex, 2 feet

• y-value of the vertex 10 feet

• x-intercept. 3.85 feet