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For each of the following equtions describe the surface and identify the traces. What does it mean by traces? x^2+y^22z=0
Thank you very much for your help!!!
 one year ago
 one year ago
For each of the following equtions describe the surface and identify the traces. What does it mean by traces? x^2+y^22z=0 Thank you very much for your help!!!
 one year ago
 one year ago

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satellite73Best ResponseYou've already chosen the best response.0
means the set of all points that fit this equation http://www.wolframalpha.com/input/?i=x^2%2By^22z%3D0
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
oooh "traces" my fault
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
cross section parallel to a plane \(xy\) trace, set \(z=0\) for example
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
so in this case the \(xy\) trace is given by the equation \(x^2+y^2=0\) which is a point at the origin of the \(xy\) plane
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
and the \(xz\) trace is \(x^22z=0\) or \(x^2=2z\) a parabola
 one year ago

thanksfrthehelp!Best ResponseYou've already chosen the best response.0
Ok, I understand. Thank you!
 one year ago
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