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Explore teaching strategies to help students succeed on the ACT® math test using TI technology.
Texas Instruments
9-12
30 Minutes
In this activity, students investigate the total cost of a private party at each of three restaurants. They will model the cost of a party at each restaurant with the graph of a linear function.
First students enter the data given into lists on the calculator and create a scatter plot.
After analyzing the shape of the points, students will perform a linear regression.
Students know that the y-intercept of the line represents the flat room fee at Linear Bistro. They need to determine what the slope represents and estimate the y-intercept.