TI-84 Plus Cabrië Jr. Application Page 37
8. Press Í. A parabola made of a set of points is drawn.
9. Press ‘ to quit the Locus tool.
10. Open the F1 menu and select Animate.
11. Move the pointer to point M and press Í to animate it. It
moves back and forth along the line segment. At the same
time, the perpendicular bisector is animated. It stays tangent to
the parabola.
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