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Mathematics 24 Online
OpenStudy (anonymous):

the equation x^2 + xy + y^2 = 7 has two x intercepts, find the equations of the tangent lines to the curve at those intercepts.

OpenStudy (anonymous):

so, I'll find y' first? then what?

OpenStudy (loser66):

show it, please

OpenStudy (loser66):

What are 2 intercepts?

OpenStudy (loser66):

knock knock!! are you there?

OpenStudy (anonymous):

I got, for the two tangent lines, y=-2(x+sqrt(7)) ...and y=-2(x - sqrt(7))

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