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Texas Instruments
6-8
45 Minutes
TI Connect™
Published on 01/31/2011
In this activity, students will discover how pictures formed by graphing ordered pairs can be stretched (and shrunk) by multiplying (and dividing) the coordinates.
Students will discover how pictures formed by graphing ordered pairs can be stretched (and shrunk) by multiplying (and dividing) the coordinates.
First, students will identify the coordinates of each point of the given image, enter the x- and y-values into L1 and L2, and graph.
Then, students will double the x-values in each ordered pair and observe the change in the graph. Next they will manipulate the y-values and observe the changes.
Finally, students will make predictions about the impact different multipliers will have on the image.