document.write( "Question 359922: Find the intercepts and use them to graph the equation y=x^2-9 \n" ); document.write( "
Algebra.Com's Answer #256818 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! Let y = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0 = x^2 - 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0 = (x - 3) (x + 3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x - 3 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + 3 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "===================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let x = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = (0)^2 - 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = -9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The intercepts are: x = -3, x = 3, y = -9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "See link below to see your graph.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "http://mathway.com/answer.aspx?p=grap?p=ySMB01xSMB072-9?p=False?p=False?p=True?p=False?p=True \n" ); document.write( " |