Changing Behavior of Quadratic Functions
Skill:
Describe the intervals for which a function is increasing or decreasing.
Changing Behavior of Quadratic Functions
Discover what it means for the graph of a quadratic function to be increasing or decreasing.
Putting It All Together
Answer these open ended questions on your own or with others to form deeper math connections.
Open-ended question 1
Move the points so that the parabola points up. Over what interval is the function increasing? Decreasing?
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Open-ended question 2
Move the points so that the parabola points down. Over what interval is the function increasing? Decreasing?
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Open-ended question 3
What happens when the points are horizontally or vertically aligned?
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Open-ended question 4
Try making a parabola that is only ever increasing or decreasing. Does it work? Why or why not? If yes, is it really a parabola?
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Prerequisite Resources
More from Increasing and Decreasing Functions