document.write( "Question 1018839: write a word problem involving finding two real numbers that could be solved with the equation x(9-x)=14.
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document.write( " I am at a total lose here, I have no idea how to start a word problem with this.
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document.write( "Please help \n" );
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Algebra.Com's Answer #634854 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! write a word problem involving finding two real numbers that could be solved with the equation x(9-x)=14. \n" ); document.write( "I am at a total lose here, I have no idea how to start a word problem with this. \n" ); document.write( "------ \n" ); document.write( "Notice that x + (9-x) = 9 \n" ); document.write( "So you have the product of x and 9-x is 14 \n" ); document.write( "------ \n" ); document.write( "Problem: \n" ); document.write( "The sum of the wts. of my dog and yours is 9. \n" ); document.write( "The product of their wts. is 14. \n" ); document.write( "Find the wt of the two dogs. \n" ); document.write( "---- \n" ); document.write( "m + y = 9 \n" ); document.write( "xy = 14 \n" ); document.write( "------ \n" ); document.write( "Substitute for \"y\" and solve for \"x\":: \n" ); document.write( "x(9-x) = 14 \n" ); document.write( "9x - x^2 = 14 \n" ); document.write( "---- \n" ); document.write( "x^2 - 9x + 14 = 0 \n" ); document.write( "------ \n" ); document.write( "(x-2)(x-7) = 0 \n" ); document.write( "x = 2 or x = 7 \n" ); document.write( "---- \n" ); document.write( "One of the dogs weighs 2 lbs; the other weighs 7 lbs \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " \n" ); document.write( " |