Education Technology

Solution 30971: Solving an Inequality Equation on the TI-Nspire™ CAS Family Line.

How do I solve equations containing inequalities on the TI-Nspire CAS family line?

Solving an equation with inequalities on the TI-Nspire CAS family line can be done using the solve( command.

Note: This only available on TI-Nspire CAS family due to them having a Computer Algebra System.

The following example will solve for the inequality:

X + 3 (2X + 2) ≥ X + 1

• Press [home] [A] or choose to add a calculator to the TI-Nspire document.

• Press [menu] [3] [1].

• Press [X] [+] [3].
• Press [(] [2] [X] [+] [2] [)].
• Press [ctrl] [=] [▼] [enter].

• Press [X] [+] [1].
• Press [,] [X] [)] [enter].

Please see the TI-Nspire family products guidebooks for additional information.