document.write( "Question 65647: we have graphed the boundary line for the linear inequality. Determine the correct half-plane in each case, and complete the graph.\r
\n" ); document.write( "\n" ); document.write( " Y > 3
\n" ); document.write( "THE GRAPH THAT IS ON THE BOOK ITS A LINE JUST GOING THROUGH ALL 3 ON THE TOP TWO THE NEGATIVE SIDE AND POSITIVE SIDE LIKE THIS:\r
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\n" ); document.write( "\n" ); document.write( "i DON'T KNOW HOW TO ANSWER THIS AND I DON'T EVEN UNDERSTAND WHAT IS ASKING \n" ); document.write( "

Algebra.Com's Answer #46346 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

we have graphed the boundary line for the linear inequality. Determine the\r\n" );
document.write( "correct half-plane in each case, and complete the graph. \r\n" );
document.write( "Y > 3\r\n" );
document.write( "THE GRAPH THAT IS ON THE BOOK ITS A LINE JUST GOING THROUGH ALL 3 ON THE TOP\r\n" );
document.write( "TWO THE NEGATIVE SIDE AND POSITIVE SIDE LIKE THIS: \r\n" );
document.write( "<----------3------------------> \r\n" );
document.write( "i DON'T KNOW HOW TO ANSWER THIS AND I DON'T EVEN UNDERSTAND WHAT IS ASKING\r\n" );
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document.write( "A \"half-plane\" is all the area on just one side of a line.\r\n" );
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document.write( "The boundary line for the INEQUALITY \r\n" );
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document.write( "y > 3\r\n" );
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document.write( "has the EQUATION\r\n" );
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document.write( "y = 3\r\n" );
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document.write( "To draw the graph of y = 3, plot some points.  Since there is only\r\n" );
document.write( "one letter in y = 3, we must choose the y-value of every point to\r\n" );
document.write( "be 3, but since there is no x, you can choose x to be any number.\r\n" );
document.write( "I'll arbitrarily pick 3, -2, 5, and -4 for x, and only 3 for y.\r\n" );
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document.write( " x|y\r\n" );
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document.write( " 3|3\r\n" );
document.write( "-2|3\r\n" );
document.write( " 5|3\r\n" );
document.write( "-4|3\r\n" );
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document.write( "So plot these points (3,3), (-3,3), (5,3), and (-4,3)\r\n" );
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document.write( "They all line on this horizontal line:\r\n" );
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document.write( "That horizontal line should be drawn dotted, not solid\r\n" );
document.write( "as I have here, but I can only draw solid lines on here,\r\n" );
document.write( "but you can draw it dotted on your paper.  (If the\r\n" );
document.write( "inequality symbol is > or <, then you draw the boundary\r\n" );
document.write( "line dotted.  If the inequality symbol is > or\r\n" );
document.write( "<, you draw the boundary line solid.\r\n" );
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document.write( "If the inequality starts off \" y > \" or \" y > \" \r\n" );
document.write( "you shade the area ABOVE the line. \r\n" );
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document.write( "If the inequality starts off \" y < \" or \" y < \"\r\n" );
document.write( "you shade the area BELOW the line.\r\n" );
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document.write( "Your inequality starts off \" y > \", so you shade the\r\n" );
document.write( "area ABOVE the line, like where these slanted lines are\r\n" );
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document.write( "But don't forget to draw the horizontal line dotted instead of\r\n" );
document.write( "solid as I have it here, and to shade the area ABOVE the line.\r\n" );
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document.write( "The area you shade is called a \"half plane\"\r\n" );
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document.write( "Edwin

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