document.write( "Question 306854: I am very confused on how to find the vertex and points of a Parabola then when i graph it, the parabola always has a straight line on one side. How am I supposed to solve and graph 2x^2-13x-7=0? \n" ); document.write( "
Algebra.Com's Answer #219528 by texttutoring(324)![]() ![]() You can put this solution on YOUR website! You have to Complete the Square to change its form.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Look in your book at how to complete the square (if you don't already know).\r \n" ); document.write( "\n" ); document.write( "It should end up looking like this:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(x-13/4)^2 - 225/8 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the vertex is at (13/4, -225/8)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let me know if you need any clarifications. \n" ); document.write( " |