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Polynomial Graphing - Exercise 1 - Graph a Factorable Polynomial

Find all the x-intercepts of  f(x) = x4 - x3 - 2x2 by solving x4 - x3 - 2x2 = 0. Justify steps used to find x-intercepts.  Then find some other points and complete the graph. Verify the graph on a graphing calculator.

 

STATEMENT JUSTIFICATION
f(x) = x4 - x3 - 2x2

Solve x4 - x3 - 2x2 = 0 in order to find x-intercepts

 

 

 

 

 

 

 

 

 

 

X-Value Y-Value
 

 

 

 

 

 

 

 

 
Given

Definition of x-intercepts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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