Texas Instruments Titanium TI-89 User Manual

Activities 746
Exploring a Matrix
Exploring a MatrixExploring a Matrix
Exploring a Matrix
This activity shows you how to perform several matrix operations.
9. Take the square root of both sides of the
equation with the constraint that
a>0 and
b>0
and x>0.
10. Solve for
x by subtracting b from both
sides and then dividing by
2a.
Note: This is only one of the two general
quadratic solutions due to the constraint
in step 9.

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)