document.write( "Question 181826: Which point is a focus of the graph of
\n" );
document.write( "x^2/64 + y^2/36 =1\r
\n" );
document.write( "\n" );
document.write( "A.(10,0) B.(0,-10) C.(-2sqrt7,0) D.(0,-2sqrt7) E.(0,-7sqrt2)\r
\n" );
document.write( "\n" );
document.write( "Thank you! \n" );
document.write( "
Algebra.Com's Answer #136431 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! A is the answer \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "c=10 \n" ); document.write( ": \n" ); document.write( "foci is at ((0+10),0) and at ((0-10),0) \n" ); document.write( ": \n" ); document.write( "so at (10,0) and (-10,0) \n" ); document.write( " |