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Question: How to plot linearized graphs from non-linear equations?

Question:How to plot linearized graphs from non-linear equations?

Fairoz 15
linear
March 05 2015
1

I have an equation,

     y = 2x2+7,

Plotting y against x will give a quadratic graph, but plotting y against x2 should give a straight line. The problem is I cannot do

  plot([y], x2 = -5 .. 5);

It gives me an error

    Error, (in plot) unexpected option: x^2 = -5 .. 5

I have searched online but no links. Can anyone help with this.

 

Thanks

Fairoz

 

 
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