document.write( "Question 1198986: Graph the solution to the system of inequalities given below:\r
\n" ); document.write( "\n" ); document.write( "x≤2
\n" ); document.write( "
\n" ); document.write( "y>−2x+2
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #832695 by ikleyn(52794)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Graph the solution to the system of inequalities given below:
\n" ); document.write( "x ≤ 2
\n" ); document.write( "y > −2x+2
\n" ); document.write( "~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "        The plot in the post by @Theo is  INCORRECT.\r
\n" ); document.write( "\n" ); document.write( "        I came to bring you a correct solution.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r\n" );
document.write( "They want you solve this system of two inequalities \r\n" );
document.write( "\r\n" );
document.write( "   x <= 2          (1)\r\n" );
document.write( "\r\n" );
document.write( "   y > -2x+2       (2)\r\n" );
document.write( "\r\n" );
document.write( "by graphing.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "So, plot two straight lines in a coordinate plane \r\n" );
document.write( "\r\n" );
document.write( "    x = 2           (1')\r\n" );
document.write( "\r\n" );
document.write( "    y = -2x+2       (2')\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( "      Plot x = 2 (red)  and  y = -2x+2 (green)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Notice that the line x = 2 (red) is vertical line, parallel to y-axis.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The solution set to the given inequalities are the points of the coordinate plane, \r\n" );
document.write( "\r\n" );
document.write( "    that are, at the same time,  on the left of the red line  AND  above the green line.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "These points are inside one of the four angles, formed by the two lines, where you see the words \"the solution set\".\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The points of the red   line above the intersection point are included to the solution set. \r\n" );
document.write( "\r\n" );
document.write( "The points of the green line are  NOT INCLUDED  to the solution set.\r\n" );
document.write( "\r\n" );
document.write( "The intersection point  DOES NOT BELONG  to the solution set.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "------------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "On solving inequalities in two variables graphically,  look into the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Solving systems of inequalities in two unknown graphically in a coordinate plane \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Learn the method from there.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Happy learning (!)\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );