document.write( "Question 1014129: f(x)=5x^2+50X+123 1/5 has a root at x=-4 2/5 , use the axis of symmetry to find the other root of the function. \n" ); document.write( "
Algebra.Com's Answer #630505 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 5x^2+50x+123 \n" ); document.write( "vertex x value is -b/2a \n" ); document.write( "vertex is -5 for x \n" ); document.write( "y is -2 \n" ); document.write( "(-5,-1.8) is vertex. \n" ); document.write( "symmetrical around x= -5 \n" ); document.write( "from vertex to one root x changes by +3/5, y changes plus 1.8 \n" ); document.write( "from vertex to other root x changes by -3/5, y changes plus 1.8 (-5.6,0) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |