document.write( "Question 600341: Xx+yy=x+2. I need to decide if it is an ellipse, parabola, hyperbola, or a circle. Once I decide I need to put into the right equation and be able to graph it.
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document.write( "I need the equation to be in the form of:
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document.write( "Parabola: y=a(x-h)(x-h)+k Or. X=a(y-k)(y-k)+h
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document.write( "Ellipse: (x-h)(x-h)/aa+(y-k)(y-k)/bb=1. Or (x-h)(x-h)/bb+(y-k)(y-k)/aa=1
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document.write( "circle: (x-h)(x-h)+(y-k)(y-k)=rr
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document.write( "Hyperbola: (x-h)(x-h)/aa-(y-k)(y-k)/bb=1. Or. (y-k)(y-k)\aa-(x-h)(x-h)/bb=1
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document.write( " Or. Xy=c, when c doesn't equal 0 \n" );
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Algebra.Com's Answer #379400 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Xx+yy=x+2 \n" ); document.write( "x^2+y^2=x+2 \n" ); document.write( "x^2-x+y^2=2 \n" ); document.write( "complete the square \n" ); document.write( "(x^2-x+1/4)+y^2=2+1/4 \n" ); document.write( "(x-1/2)^2+y^2=9/4 \n" ); document.write( "This is an equation of a circle with center at (1/2,0) and radius=√(9/4)=3/2 \n" ); document.write( "Its standard form: (x-h)^2+(y-k)^2=1, (h,k)=(x,y) coordinates of center, r=radus \n" ); document.write( "see graph below: \n" ); document.write( "y=±(-x^2+x+2)^.5\r \n" ); document.write( "\n" ); document.write( " |