Sliding Ladder Model w/ 3 Snapshots using TI-84C In this tutorial students will learn how to model a related rates problem using parametric equations and a graphing calculator. The model will calculated the instantaneous velocity at 3 different snapshots or moments in time. In this problem the model will calculate the rate at which the… Read More »
Sliding Ladder Model using TI-84C In this tutorial students will learn how to model a related rates problem. The students will use parametric equations and the TI-84C. In this problem the student will calculate the rate at which the top of a ladder is sliding down a wall as the bottom of the ladder is… Read More »
Graphing Quadratic Equations In this tutorial students will learn about graphing quadratic equations on a TI-84 Plus C graphing calculator. A quadratic equation is a second degree polynomial. The largest exponent in a quadratic equation is 2. When graphed a quadratic equation forms a parabola. A parabola has several distinct parts named the focus, vertex, axis of symmetry and directrix.