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y≥-3
\n" ); document.write( "y>5-2x\r
\n" ); document.write( "\n" ); document.write( "First plot the line y = -3
\n" ); document.write( "This is a horizontal line at -3, that is a line that is
\n" ); document.write( "3 units below the x axis going left to right.
\n" ); document.write( "Now shade in some way the area above this line.
\n" ); document.write( "This represents y≥-3 .\r
\n" ); document.write( "\n" ); document.write( "Next we need to plot y > 5 -2x .
\n" ); document.write( "The first step is to plot y = 5 -2x .
\n" ); document.write( "Reorder to get
\n" ); document.write( "y = -2x + 5
\n" ); document.write( "The slope intercept format for a linear equation is y = m*x + b
\n" ); document.write( "where m is the slope, and b is the y intercept.
\n" ); document.write( "One point on the line is (0,5) , the y intercept.
\n" ); document.write( "To find another point on the line, from (0,5) move right 1
\n" ); document.write( "and down 2. This gives us the point (2,3).
\n" ); document.write( "Draw a line extending through these points.
\n" ); document.write( "Shade in some way the points above this line.
\n" ); document.write( "This is plot of y > 5 -2x\r
\n" ); document.write( "\n" ); document.write( "Where the two shaded areas overlap is our solution,
\n" ); document.write( "but do notice that the line itself is not included
\n" ); document.write( "for the second equation. \n" ); document.write( "