document.write( "Question 78910: How do I plot the point with coordinates (3, -5) on a graph? \n" ); document.write( "
Algebra.Com's Answer #56594 by mathdoc314(58)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "well this indeed is a very hard question if you have never seen a graph before!\r \n" ); document.write( "\n" ); document.write( "First, in the point (3,-5) you see two numbers. The first number is 3 and the second number is -5. The fist number is known as the x coordinate and the second number is known as the y coordinate.\r \n" ); document.write( "\n" ); document.write( "It helps in the first place to be familiar with a number line. If you wanted to plot just the number 3 on a number line you would probably start by drawing a horizontal line and putting some kind of mark on the number 3\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "---|---|---|---|---|---|---*---|---|---|---|---|\r\n" ); document.write( " -3 -2 -1 0 1 2 3 4 5 \r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Here you have two numbers and on your piece of paper or your monitor or your wall or your floor or your ceiling or a notebook or some other flat surface you have two different dimensions, horizontal and vertical:\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " Y\r\n" ); document.write( " |\r\n" ); document.write( " - 2\r\n" ); document.write( " |\r\n" ); document.write( " - 1\r\n" ); document.write( " |\r\n" ); document.write( "---|---|---|---|---|---|---*---|---|---|---|---| X\r\n" ); document.write( " -3 -2 -1 0 1 2 3 4 5 \r\n" ); document.write( " |\r\n" ); document.write( " - -1\r\n" ); document.write( " |\r\n" ); document.write( " - -2\r\n" ); document.write( " |\r\n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Here I have drawn a horizontal number line for x, and a vertical number line for y\r \n" ); document.write( "\n" ); document.write( "To plot the point (3,-5) you find the 3 on the x axis and the -5 on the y axis and you find the point on the flat surface that agrees with both of those places:\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " Y\r\n" ); document.write( " |\r\n" ); document.write( " - 2\r\n" ); document.write( " |\r\n" ); document.write( " - 1\r\n" ); document.write( " |\r\n" ); document.write( "---|---|---|---|---|---|---X---|---|---|---|---| X\r\n" ); document.write( " -3 -2 -1 0 1 2 3 4 5 \r\n" ); document.write( " |\r\n" ); document.write( " - -1 .\r\n" ); document.write( " |\r\n" ); document.write( " - -2 .\r\n" ); document.write( " |\r\n" ); document.write( " - -3 .\r\n" ); document.write( " |\r\n" ); document.write( " - -4 .\r\n" ); document.write( " |\r\n" ); document.write( " X -5 . . X <-- X=3 and Y=-5\r\n" ); document.write( " |\r\n" ); document.write( " - -6\r\n" ); document.write( " | \r\n" ); document.write( "\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |