Lines of Ballerina Dancers

At the Joslyn Art Museums Thursdays for Teachers we got the chance to sketch 4 ballerinas from the Nebraska Ballet Company. Our workshop first focused on the lines of a ballerina dancer in different poses. It got me thinking about the different lines of a ballerina and in Algebra 2 we are currently going over linear equations. What linear equations do a ballerina make? So I put the pictures in Desmos and this is what I found.

Here are three lines I found.

After I graphed these I thought what a great activity this would be for students. Students could do their own poses and graph them, they could be shooting a basketball, yoga poses, or football poses. 

Then I thought what if we did this every unit and students could reflect on line families and how they relate.  It is one of my big goals I want to student to learn this year: Function families share similar graphs, behaviors, and properties.

Then I tried the same graph with parabolas, which is our next unit. Almost seemed to work better.

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