document.write( "Question 86475: Hello I need to know how to complete: \r
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document.write( "Graph the equation y=x(squared) + 2 \r
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document.write( "thanks
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Algebra.Com's Answer #62554 by chitra(359)![]() ![]() You can put this solution on YOUR website! The given equation is y = x(squared) + 2 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "==> y = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The given equation is a quadratic in \"x\". The graph of any quadratic equation will always be a parabola. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, the graph look like this: \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, the solution..\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This can also be worked in another way... \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let f(x) = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Given the equation just plug in the values for x and then make the table for x and f(x). Then plot all these points on the number line along the co-ordinate axes... \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For example when x = 0, f(x) = 2 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 1 , f(x) = 3 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 2 . f(x) = 5 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 3 , f(x) = 10 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "And similarly for the negative values.. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -1 , f(x) = 3 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -2 , f(x) = 5 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -3 , f(x) = 10 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "f(x) will have the same values, since the given function is an even function..\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thus, the solution...\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Regards\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |