# Thread: Need help with my TI-83, cannot finish studying, help?

1. ## Need help with my TI-83, cannot finish studying, help?

Hey everyone, someone please dive in here and help me. I have tried for over an hour now to figure out how to enter an index over 3 into my radical problems. For instance, how do I enter this into my TI-83? I have a test monday, I am trying to study and I am stuck on this, driving me nutz. I know she went over it in class, I dont remember how to enter it.

Okay, how do I enter that, the "5" I cannot for the life of me remember how to do it, and Im not gettng anywhere online. All the google is saying, is to Hit Math, then number 5 for the x index, but it is not taking my 5 ? help please, Im so behind now

2. Lol....

your almost home dry using ur example 5th root of 32 follow this

1) press number 5
2) press math
3) select option 5 $\displaystyle ^x\sqrt()$ by pressing number 5

Should now look like $\displaystyle 5^x\sqrt()$

4)Now put in 32 to get $\displaystyle 5^x\sqrt(32)$
5)press enter
6)ans=2

3. Originally Posted by mariamichelle9
Hey everyone, someone please dive in here and help me. I have tried for over an hour now to figure out how to enter an index over 3 into my radical problems. For instance, how do I enter this into my TI-83? I have a test monday, I am trying to study and I am stuck on this, driving me nutz. I know she went over it in class, I dont remember how to enter it.

Okay, how do I enter that, the "5" I cannot for the life of me remember how to do it, and Im not gettng anywhere online. All the google is saying, is to Hit Math, then number 5 for the x index, but it is not taking my 5 ? help please, Im so behind now
Hi mariamichelle9,

You can also use rational exponents and it will be a little quicker.

$\displaystyle \sqrt[5]{-32}=(-32)^{\frac{1}{5}}$

So, on your TI-83, simply do this:

(-32)^(1/5)

Enter

Result is -2

Be sure to group the exponent.

4. ## Thankyou, Thank You, THANK YOU

wow,,,,,,,,,,,,,,,,bout time, and it was so easy!! I was trying everything , thanks so very much wow!!