Texas Instruments TI-83 User Manual

We want to select option 1: value. After selecting this option, we obtain the
following:
After the X= type 0 and press enter to obtain the following:
Thus, when x = 0, y = -8.
We can use the ZERO feature on a TI-83 to determine the x-intercepts of the graph of the
equation. Again, go to the CALC menu, but this time select option 2: ZERO.
The calculator asks for a LEFT BOUND - this is a value of x to the left of the x-intercept.
To establish the left bound use the left and right arrows to move the cursor until it is left
of the x-intercept you wish to approximate, then press ENTER.
x-intercept

Texas Instruments TI-83 Specifications

General

Programming	TI-BASIC
Processor	Zilog Z80, 6 MHz
Weight	7.4 oz (210 g)
Display	96x64 pixels, monochrome LCD
Power Source	4 AAA batteries, 1 CR1616 or CR1620 for backup
Memory	32 KB RAM
Connectivity	2.5mm I/O port for linking with other TI calculators