document.write( "Question 974870: Determine the equation of a parabola with vertex (-2,-11) and point (-4,5)show answer in vertex form. \n" ); document.write( "
Algebra.Com's Answer #596709 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "Determine the equation of a parabola with vertex (-2,-11) and point (-4,5)show answer in vertex form.
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Vertex form of a parabola: \"y+=+a%28x+-+h%29%5E2+%2B+k\", which becomes: 
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document.write( "\"5+=+a%28-+4+-+-+2%29%5E2+%2B+-+11\"
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document.write( "\"5+=+a%28-+4+%2B+2%29%5E2+-+11\"
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document.write( "\"5+=+a%28-+2%29%5E2+-+11\"
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document.write( "5 = 4a – 11
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document.write( "4a = 5 + 11
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document.write( "4a = 16
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document.write( "a = \"16%2F4\", or 4
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document.write( "Equation in vertex form: \"highlight_green%28y+=+4%28x++%2B+2%29%5E2+-+11%29\" \n" );
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