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January 31, 2015

January 31, 2015

Posted by **Hannah** on Thursday, August 20, 2009 at 3:56pm.

use the root or zero feature of a graphing utility to approximate the zeros of the function accurate to three decimal places.

I do not know how to use the root or zero feature on my calculator. If someone could just explain how to do it that would be great.

I have a TI-83 calculator

- math -
**Marth**, Thursday, August 20, 2009 at 4:02pm1) Enter the equation by pressing the "Y=" button on the left side and entering in "x^3 + 4x^2 + 14x + 20"

2) Press "GRAPH" on the right side

3) Press "2nd" "Calc/Trace" "2. Zero"

- math -
**Anonymous**, Monday, December 13, 2010 at 8:36pmim sorry but what was the answer i dont have a ti-83 i have a cassio would u by any chance no how to do this

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