Video lesson: Finding the intersection of two graphs on the TI-84

In this video lesson, you’ll learn how to find the intersection of two graphs on the TI-84+ graphing calculator.

The two functions graphed here are a line and parabola, but you could use this same approach for the intersection of two lines, or virtually any functions the TI-84 can graph. It’s also certainly possible to have more than two functions graphed at a time. You just have to let the 84 know which two functions you are trying to find the intersection of. 

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Lucas Allen

Lucas Allen

For more than a decade, Lucas Allen was a high school math teacher and math team coach in Illinois. His 2012 Morton High School math team won the Illinois state championship. Recently, he made the jump from public education to the corporate world and is now working as a data scientist. He is interested in just about all forms of technology, including the TI-Nspire, Nexus devices, R, MOOCs, and more. You can follow , and if you are nice, he will probably follow you back.

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