document.write( "Question 812895: Dear Ma'am/Sir,
\n" ); document.write( " Good day! Kindly help me with this mathematical problem, I do not know much about analytic geometry, please help me. \r
\n" ); document.write( "\n" ); document.write( " Here it goes:
\n" ); document.write( " The endpoints of the latus rectum of a parabola are (5,k), and (-5,k). If the vertex of the parabola is at the origin, and the parabola opens downward, find
\n" ); document.write( "a) the value of k
\n" ); document.write( "b) an equation of the parabola\r
\n" ); document.write( "\n" ); document.write( "Thank you so much! \n" ); document.write( "

Algebra.Com's Answer #489389 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi\r
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document.write( "endpoints of the latus rectum of a parabola are (5,k), and (-5,k).
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document.write( "vertex of the parabola is at the origin, and the parabola opens downward
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document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0),  
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document.write( "where(h,k) is the vertex  and  x = h  is the Line of Symmetry
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document.write( "The standard form is , where  the focus is (h,k + p)
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document.write( ",  
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document.write( "4p = 10, (length of latus rectum is 4p   Focal point is ( 0,-10/4 )  
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