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 Oct 7, 2017
 #1
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+1

3x^2  - 3x + 2  = 2    subtract 2 from both sides

 

3x^2 - 3x  =  0         this shifts the graph of  3x^2 - 3x -1  up one unit

 

So   3x^2 - 3x  =  0   at x = 0  and x = 1

 

 

 

3x^2 - 3x -1  =  x + 1

 

The graph of x + 1  would intersect 3x^2 - 3x -1   at  x ≈ -4/10   and  x ≈ 1.5

 

 

cool cool cool

 Oct 7, 2017

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