document.write( "Question 959074: What is the solution set of y = x^2 + 2x + 7 and y = x + 7? \n" ); document.write( "
Algebra.Com's Answer #586164 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What is the solution set of \n" ); document.write( "y = x^2 + 2x + 7 and y = x + 7? \n" ); document.write( "---- \n" ); document.write( "Substitute for \"y\" and solve for \"x\":: \n" ); document.write( "x^2 + 2x + 7 = x + 7 \n" ); document.write( "---- \n" ); document.write( "x^2 + x = 0 \n" ); document.write( "----- \n" ); document.write( "Factor: \n" ); document.write( "x(x+1) = 0 \n" ); document.write( "x = 0 or x = -1 \n" ); document.write( "---------- \n" ); document.write( "Solve for \"y\": \n" ); document.write( "If x = 0, y = 0+7 = 7 \n" ); document.write( "If x = 1, y = 1+7 = 8 \n" ); document.write( "---- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------------- \n" ); document.write( " |