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August 3, 2015

Homework Help: Pre calc

Posted by Rebekah on Sunday, May 5, 2013 at 2:18pm.

Write the equation in standard ellipse form and graph.
34 x^2 -24xy +41y^2 +41 y^2 -25= 0.
i got x= (4 x prime- 3 y prime)/5 and y=(3x prime +4y prime)/5

but cant get the correct math when I plug that into the original equation.

Also I need help finding the equation for
x^2 +4xy+4y^2 +5root5y+5=0 because i think u are suppose to find the square because of the 5root5y in there but am not sure

thanks

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