Features of Quadratics in Context

What is the range of this function?

• (- ∞,+∞)

• [0, +∞)

• [-2, +∞)

• [2, +∞)

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

• maximum

• minimum

• neither

• both

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

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

What is the increasing interval on the function shown?

Find the decreasing interval

• (infinity, -2)

• (-infinity, 2)

• (2, infinity)

• (-2, infinity)

What is the domain of the function?

• 0<h<80

• 0≤h≤80

• 0≤t≤4.5

• 0<t<4.5

When did the ball reach its maximum height? Choose the key feature and the answer.

• y-intercept, 3 secs

• x-value of the vertex, 4 secs

• y-value of the vertex, 5 secs

• y-intercept, 0 secs