document.write( "Question 36143: I definately need help with this problem...thanks so very much\r
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document.write( "Apply the quadratic formula to find the roots of the given function, and then graph the function.\r
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document.write( "f(x) = x^2 - 4 \n" );
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Algebra.Com's Answer #22135 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! f(x) = x^2 - 4 \n" ); document.write( "a=1, b=0, c=-4 \n" ); document.write( "Using the Quadratic formula you get:\r \n" ); document.write( "\n" ); document.write( "x=-0+sqrt[0^2-4(1)(-4)}/2 = [sqrt(16)]/2 = 4/2=2 \n" ); document.write( "OR \n" ); document.write( "x=-0-sqrt[0^2-4(1)(-4)}/2 = -[sqrt(16)]/2 = -4/2= -2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |