document.write( "Question 236529: I am using this sight to figure out quadratic equations, but I am not sure what a certain symbol is that is being used. Here is the equation:
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document.write( "x= [-12 +- sqrt (144.4-4* -0.2*11)]/(-0.4)
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document.write( "x= [-12 +- sqrt (152.8)]/(-0.4)
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document.write( "My question is what does the star stand for to make it come out to 152.8? \n" );
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Algebra.Com's Answer #174112 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! the * (asterisk) represents multiplication \n" ); document.write( "___ remember the hierarchy of operations (PEMDAS)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "144 - (4 (-0.2 (11)))\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "144 - (4 (-2.2))\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "144 - (-8.8)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "144 + 8.8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "152.8 \n" ); document.write( " |