PRGM key select New type QUAD using letter keys press ENTER. This isalso going to be an introduction to programmingthe TI 84 Plus CE. Though you need to know how to solve quadratics by the methods taught in class the program is a great way to check your work for accuracy.
Before we can use quadratic regression we need to make sure.
Begin with the program by clearing the home screen and adding inputs for the three coefficients. TI-8384 TI-86 Instructions for Graphing and Analyzing a Quadratic Function MAT 111 Section 26 Below you will find key strokes and screen shots that will show you. You may recall that the quadratic formula is. Now that we have the values of A B and C in our equation we need to do something with them.