document.write( "Question 206969: f(x)=x^2+4x+1. What is h, the x-coordinate of the vertex of the parabola. I need to show my work. Thanks. \n" ); document.write( "
Algebra.Com's Answer #156508 by checkley77(12844) ![]() You can put this solution on YOUR website! f(x)=x^2+4x+1 \n" ); document.write( " \n" ); document.write( "X vertex =(-2) \n" ); document.write( " |