Algebra I
Activity:
STOP
Posted on Apr 23, 2009
Topic: Radical Equations & Functions
Work with speeds in meters per second and stopping distances in meters, students will use an interactive page to evaluate a formula involving a square root. With a collection of data values, the scatter plot reveals a relationship and a shape to the students.
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Activity Key Steps:
After an introduction/review of converting between miles per hour and meters per second, students will use an interactive page to calculate the speed of the car, given a stopping distance.
Then students will use the same formula to find an approximate stopping distance, given the rate of the car.
Both a table and scatter plot are revealed so that students may see the data and make some observations about how the stopping distance and speed of the car are related. Finally, the students will graph the formula as a function to see the general trend of the data and are introduced to a Square Root function.