Question 1113225
trace the conic:
Trace it from what?
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x^2-3xy+y^2+10x-10y+21
There's no equal sign.
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I copied and pasted x^2-3xy+y^2+10x-10y+21
There was no equal sign.
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You don't trace it, you graph it.
DL the FREE graph software at www.padowan.dk
Use F6, enter x^2-3x*y+y^2+10x-10y+21 = 0
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Notice the x*y.