# How do I use a graphing calculator to find the complex zeros of #x^3-1#?

##### 1 Answer

Sep 23, 2015

#### Answer:

Graphing calculators can help you find **real** zeros but will not help you with complex roots.

#### Explanation:

Using the difference formula for **perfect cubes** :

So, this cubic has one real zero at x = 1. The other two roots are imaginary. You can use the quadratic formula to solve for these other two roots:

Hope that helped!