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Please explain some steps! Thanks a bunch 😁

 Sep 27, 2019
 #1
avatar+19832 
+2

https://www.desmos.com/calculator/x7ngcgqabl

 Sep 27, 2019
 #2
avatar+104962 
+2

Here are the characteristics of roots   :

 

(1)  Any  root of an even multiplicity means that the graph will be tangent to the x axis at this root

 

(2)  Any root of a multiplicity of  1   means that the graph will cross the x axis at that root

 

(3)  Any root of an odd multiplicity > 1   means that the graph will "hug" and cross the x axis at that root

 

So.....

 

It wil cross the x axis at the roots 2  and 4

 

It will be tangent to the x axis at the root of 1

 

At root 6, the graph will cross through while hugging

 

 

cool cool cool

 Sep 27, 2019

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