Texas Instruments TI-83 User Manual

Again move the cursor near the point of intersection and press ENTER.
The screen now displays the following:
Simply press ENTER a third time and the screen displays the coordinates of the point of
intersection:
The solution to the equation is x = -0.5. w
33 Check: The calculator now has x = -0.5 automatically stored. To check the answer
type 3(x - 2) on the home screen and press enter. Do the same for 5(x - 1). You obtain
the following:
The solution checks. w
1.5 Solving Inequalities
Example 8 Solving Combined Inequalities
Solve the inequality -5 < 3x - 2 < 1 and draw a graph to illustrate the solution.

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