document.write( "Question 83042: The demand and supply equations for a certain item are given by:
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document.write( "D=-5p+40
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document.write( "S=-p^2+30p-8\r
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document.write( "Find the equilibrium price. \n" );
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Algebra.Com's Answer #59591 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! When you can supply the demand, you have reached an equil amount. \n" ); document.write( "D = S \n" ); document.write( "-5p + 40 = -p^2 + 30p - 8 \n" ); document.write( "p^2 - 35p + 48 = 0 \n" ); document.write( "Solve as you would like from here: \n" ); document.write( "p^2 - 35p = -48 \n" ); document.write( "(p - 17.5)^2 = 258.25 \n" ); document.write( "p = 17.5 +- sqrt(258.25) \n" ); document.write( "when p is about 33.6 or 1.4 \n" ); document.write( " |