Quadratic Formula on TI-89 *THANKS BLAHBLAH99*

[gwlam12]

Is there a way to solve a quadratic equation using a TI-89 without using extra programs? Details please. Thanks.

 

[blahblah99]

yeah, move all terms on one side so the right side equals zero... then press F2, scroll down to #4 function ZEROS() and punch in your equation

for example, if you have the equation x^3 +2x^2-3x -2,

you'd put in your command line:

zeros(x^3 +2x^2 -3x -2, x)
and it'll pop out the answer.

 

[gwlam12]

thanks a lot man. i really appreciate it. 🙂

 

[Jerboy]

Speaking of TI, I wonder what happened to my TI-83 Plus I got a few years back...