document.write( "Question 1043671: Find all the points on the x-axis that are a distance of 13 units from (12,5). \n" ); document.write( "

Algebra.Com's Answer #658829 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "All points on the x-axis have their y-coordinates equal to 0.\r\n" );
document.write( "So let the point (a,0) be a point on the x-axis such that the\r\n" );
document.write( "distance from (12,5) to (a,0) is 13 units:\r\n" );
document.write( "\r\n" );
document.write( "Use the distance formula:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Square both sides:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "(((12-a)^2=144}}}\r\n" );
document.write( "\r\n" );
document.write( "Take square roots of both sides\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Using the +\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Using the -\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "There are exactly two points, substituting in (a,0),\r\n" );
document.write( "\r\n" );
document.write( "they are (0,0), and (24,0)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );