document.write( "Question 792247: (a) Given two equations of conic sections as follows,
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document.write( " (x-1)(x+5)+(y+1)(y+5)=3,
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document.write( " (x+1)(x-5)+8(y-5)=-17.
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document.write( " (i) Find the vertex, focus and directrix of the parabola
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document.write( " (ii)Find the center and radius of the circle.\r
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document.write( "(b) Find the shortest distance from the (-2,3) to the line 4x=3y + 2. \n" );
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Algebra.Com's Answer #479889 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Given two equations of conic sections as follows, \n" ); document.write( "(x-1)(x+5)+(y+1)(y+5)=3 \n" ); document.write( "x^2+4x-5 + y^2 + 6y +5 = 3 \n" ); document.write( "x^2+4x + ? + y^2+6y + ?? = 3 \n" ); document.write( "x^2+4x+4 + y^2+6y+9 = 3+4+9 \n" ); document.write( "(x+2)^2 + (y+3)^2 = 16 \n" ); document.write( "center is (-2,-3) \n" ); document.write( "radius is 4 \n" ); document.write( "--------------------------- \n" ); document.write( "(x+1)(x-5)+8(y-5)=-17 \n" ); document.write( "x^2 -4x -5 + 8(y-5) = -17 \n" ); document.write( "x^2-4x+4 -5 +8(y-5) = -17 + 4 \n" ); document.write( "(x-2)^2 +8(y-5) = -8 \n" ); document.write( "(x-2)^2 = -8[(y-5)+1] \n" ); document.write( "(x-2)^2 = -8(y-4) \n" ); document.write( "---- \n" ); document.write( "p = -2 \n" ); document.write( "vertex:: (2,4) \n" ); document.write( "focus: (2,2) \n" ); document.write( "directrix: y = 6 \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================\r \n" ); document.write( "\n" ); document.write( "(i) Find the vertex, focus and directrix of the parabola \n" ); document.write( "(ii)Find the center and radius of the circle. \n" ); document.write( "(b) Find the shortest distance from the (-2,3) to the line 4x=3y + 2. \n" ); document.write( " \n" ); document.write( " |