Texas Instruments TI-83 Plus Manual Book page 7

1. First, equate the two equations.
2
x + 12x = .8x
2
x + 11.2x = 0
The roots of the resulting polynomial will give the intersection
points of the ball path and the hill.
2. Press
3. Select
4. Press any key to continue. The
5. Select
6. Enter the degree of the polynomial (
7. Enter the coefficients of the polynomial { 1, 11.2, 0}. Press
line.
TI-83 Plus Polynomial Root Finder / Simultaneous Equation Solver Application
to display a list of applications on your calculator.
. The information screen is displayed.
PolySmlt
Poly Root Finder
after each coefficient to move the cursor to the next
MAIN MENU
.
2
is displayed.
), and then press .
Page 7