document.write( "Question 191056: y=5(x+2)^2+7\r
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document.write( "for the parabola find:
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document.write( "the vertex,
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document.write( "focus,
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document.write( "directrix line (line y=)
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document.write( "length of the latux rectum \n" );
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Algebra.Com's Answer #143434 by Mathtut(3670) ![]() You can put this solution on YOUR website! vertex is at (-2,7) \n" ); document.write( ": \n" ); document.write( "length of focus is 1/4(5)=1/20 so focus is at (-2,141/20) or(-2,7.05) \n" ); document.write( ": \n" ); document.write( "directrix is at y=139/20 or y=6.95 \n" ); document.write( ": \n" ); document.write( "length of latux rectum is 4(1/20)=4/20=1/5 \n" ); document.write( " |