document.write( "Question 449050: Identify the curve and find the center radius and eccentricity?\r
\n" ); document.write( "\n" ); document.write( "(X+4)^2 + (y+7)^2=81\r
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Algebra.Com's Answer #308932 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( " Circle C(-4,-7) and radius is 9
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document.write( "See below descriptions of various conics
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document.write( "Standard Form of an Equation of a Circle is  
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document.write( "where Pt(h,k) is the center and r is the radius\r
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document.write( " Standard Form of an Equation of an Ellipse is 
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document.write( "where Pt(h,k) is the center and a and b  are the respective vertices distances from center.\r
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document.write( "Standard Form of an Equation of an Hyperbola opening right andd left is:
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document.write( "   where Pt(h,k) is a center  with vertices 'a' units right and left of center.
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document.write( "Standard Form of an Equation of an Hyperbola opening up and down is:
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document.write( "   where Pt(h,k) is a center  with vertices 'b' units up and down from center.\r
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document.write( "Using the vertex form of a parabola opening up or down, 
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document.write( " where(h,k) is the vertex
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document.write( " The standard form is , where  the focus is (h,k + p) \n" );
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