document.write( "Question 982479: Can someone please help me with my homework? Thanks :D
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document.write( "1.What if I have +√3 and -√3 as the roots. What is the equation?
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document.write( "2. Graph the equation in a sign graph: x^2+8x-7=0
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document.write( "In question no. 2, I find the roots of it first. Since it's not a perfect square trinomial, and 8 is an even number, I used completing the square.
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document.write( "x^2+8x=7
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document.write( "x^2+8x+(8/2)^2=7+(8/2)^2
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document.write( "x^2+8x+16=23
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document.write( "x^2+8x+16-23=0
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document.write( "x^2+8x-7=0
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document.write( "But i ended up returning to the original equation :/
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Algebra.Com's Answer #603303 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x^2+8x=7 \n" ); document.write( "x^2+8x+(8/2)^2=7+(8/2)^2 \n" ); document.write( "x^2+8x+16=23 \n" ); document.write( "x^2+8x+16=23\r \n" ); document.write( "\n" ); document.write( "(x+4)^2 = 23\r \n" ); document.write( "\n" ); document.write( "(x+4) = +/-sqrt(23)\r \n" ); document.write( "\n" ); document.write( "x= -4 +/- sqrt(23)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "sum of roots = 0 \n" ); document.write( "product of roots = -3\r \n" ); document.write( "\n" ); document.write( "x^2-(sum of roots)x+(product of roots =0\r \n" ); document.write( "\n" ); document.write( "x^2-3=0 is the equation \n" ); document.write( " |