document.write( "Question 1083131: Inverse of x²+5x+9 \n" ); document.write( "
Algebra.Com's Answer #697126 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! y=x^2+5x+9 \n" ); document.write( "x=y^2+5y+9 \n" ); document.write( "y^2+5y=x-9 \n" ); document.write( "y^2+5y+6.25=x-9+6.25, completing the square \n" ); document.write( "(y+2.5)^2=x-2.75 \n" ); document.write( "y=-2.5+/- sqrt(x-2.75) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |