document.write( "Question 158891: Can someone please help,\r
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document.write( "Find if is symmetrical to
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document.write( "y-axis?
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document.write( "x-axis?
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document.write( "origin?
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document.write( "Thanks ahead of time,Levi \n" );
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Algebra.Com's Answer #117035 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find if \n" ); document.write( ". \n" ); document.write( "y-axis? \n" ); document.write( ". \n" ); document.write( "x-axis? \n" ); document.write( ". \n" ); document.write( "origin? \n" ); document.write( ". \n" ); document.write( "Thanks ahead of time,Levi}}} is symmetrical to \n" ); document.write( ". \n" ); document.write( "y-axis? \n" ); document.write( "It is symmetric to the y-axis if f(x) = f(-x) \n" ); document.write( "Substitute -x for x to get: \n" ); document.write( "y^2 = 4(-x)^2 -3(-x) = 4x^2+3x \n" ); document.write( "---- \n" ); document.write( "They are not the same so there is no y-axis symmetry. \n" ); document.write( "------------------------------------------------------------------ \n" ); document.write( ". \n" ); document.write( "x-axis? \n" ); document.write( "Test by substituting -y for y: \n" ); document.write( "(-y)^2 = 4x^2-3x \n" ); document.write( "y^2 = 4x^2 - 3x \n" ); document.write( "So you have x-axis symmetry \n" ); document.write( "--------------------------------- \n" ); document.write( ". \n" ); document.write( "origin? \n" ); document.write( "y^2 = 4x^2-3x \n" ); document.write( "Slubstitute -y for y and -x for x to get: \n" ); document.write( "(-y)^2 = 4(-x)^2 -3*(-x) \n" ); document.write( "y^2 = 4x^2 + 3x \n" ); document.write( "They are not equal so no origin symmetry. \n" ); document.write( "========================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "Thanks ahead of time,Levi \n" ); document.write( " |