This lesson involves observing how each of the conic sections is formed and connecting the locus definition of a parabola with the vertex form of a parabola. https://education.ti.com/en/activity/detail/introduction-to-conic-sections
In this activity for the TI-84 family, students will observe different graphs of polar limaçon curves. Students will discover four different types of limaçon curves and their relationship to the ratio of a to b. https://education.ti.com/en/activity/detail/limacon-curve-@-84
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