document.write( "Question 81963: Plot the point with coordinates (–4, 3). \n" ); document.write( "
Algebra.Com's Answer #58732 by Edwin McCravy(20055) $\"\"$ $\"About$
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document.write( "Plot the point with coordinates (–4, 3).\r\n" );
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document.write( "Here's a little better explanation for a beginner\r\n" );
document.write( "at plotting points.\r\n" );
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document.write( "Draw a set of axes, like this\r\n" );
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document.write( "Find the first number, -4, on the x-axis, the \r\n" );
document.write( "horizontal axis. Using a ruler draw a light \r\n" );
document.write( "pencil vertical line through -4 like the \r\n" );
document.write( "green one below:\r\n" );
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document.write( "Now find the second number, 3, on the y-axis, the \r\n" );
document.write( "vertical axis. Using a ruler draw a light \r\n" );
document.write( "pencil horizontal line through 3 like the \r\n" );
document.write( "blue one below:\r\n" );
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document.write( "Now mark a dot where the green and blue lines\r\n" );
document.write( "cross, like the little \"o\" marked below:\r\n" );
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document.write( "  \r\n" );
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document.write( "Now erase the green and blue lines:\r\n" );
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document.write( "That \"o\" sitting there marks the point (-4,3).\r\n" );
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document.write( "Notice that the \"o\" hovers directly above the -4\r\n" );
document.write( "on the x-axis and is on the exact same level as the\r\n" );
document.write( "3 on the y-axis.  After plotting a few points, you \r\n" );
document.write( "will soon see that it is really not necessary to \r\n" );
document.write( "draw the green and blue lines as I did, since you \r\n" );
document.write( "can just imagine them being there. Or, to be \r\n" );
document.write( "accurate you can use a small card and place it so \r\n" );
document.write( "that a vertical side of the card is on the first \r\n" );
document.write( "number and a horizontal side of the card is on the \r\n" );
document.write( "second number, like this, where the rectangle below \r\n" );
document.write( "is the card, and mark the point at the corner of the \r\n" );
document.write( "card:\r\n" );
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document.write( "It is common to write the coordinates of the point\r\n" );
document.write( "close to the point, like this:\r\n" );
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document.write( "     \r\n" );
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document.write( "Edwin
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