document.write( "Question 247141: 1.Let f(x) = (x - 8)2. Find x so that f(x) = 100\r
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document.write( "2.Write a quadratic equation having the given numbers as solutions.\r
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document.write( "3, -8
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Algebra.Com's Answer #180340 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1.Let f(x) = (x - 8)^2. Find x so that f(x) = 100 \n" ); document.write( "--- \n" ); document.write( "100 = (x-8)^2 \n" ); document.write( "Rearrange: \n" ); document.write( "(x-8)^2-100 = 0 \n" ); document.write( "Factor: \n" ); document.write( "(x-8-10)(x-8+10) = 0 \n" ); document.write( "(x-18)(x+2) = 0 \n" ); document.write( "x = 18 or x = -2 \n" ); document.write( "===================\r \n" ); document.write( "\n" ); document.write( "2.Write a quadratic equation having the given numbers as solutions. \n" ); document.write( "3, -8 \n" ); document.write( "--- \n" ); document.write( "f(x) = (x-3)(x+8) \n" ); document.write( "f(x) = x^2 + 5x - 24 \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |