document.write( "Question 313871: Graph the triangle enclosed by the Y-axis and the graphs of y - 3x = -2 and y + 3x = 2 Find the area of the triangle. \n" ); document.write( "

Algebra.Com's Answer #224413 by Edwin McCravy(20056) $\"\"$ $\"About$

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Graph the triangle enclosed by the Y-axis and the
\n" ); document.write( "graphs of y - 3x = -2 and y + 3x = 2
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document.write( "Draw the graphs of the lines:\r\n" );
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document.write( "First put them in slope intercept form:\r\n" );
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document.write( "Their y-intercepts are (0,-2) and (0,2) respectively,\r\n" );
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document.write( "So these are two of the vertices of the triangle we wish\r\n" );
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document.write( "to find the area of. \r\n" );
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document.write( "We solve the system of equations to find the coordinates\r\n" );
document.write( "wheteh they intersect, which be the third vertex of the\r\n" );
document.write( "triangle we wish to find the area of.\r\n" );
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document.write( "Set the values of y equal:\r\n" );
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document.write( "Substituting in \r\n" );
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document.write( "So the third point of the triangle is (0,)\r\n" );
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document.write( "Draw the graphs of the lines\r\n" );
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document.write( "So we wish to find the area of this triangle:\r\n" );
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document.write( "Take as a base b the line segement from (0,-2) to (0,2) which is\r\n" );
document.write( "4 units long.  Take as an altitude h the line segment from (0,0) to\r\n" );
document.write( "(,0) which is  units long.\r\n" );
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document.write( "Area of a triangle is  \r\n" );
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document.write( "A = bh \r\n" );
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document.write( "A = ×(4)×()\r\n" );
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document.write( "A = ×(4)×()\r\n" );
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document.write( "A = \r\n" );
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document.write( "Edwin

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