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document.write( "Draw the line connecting the two points:\r\n" );
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document.write( "That's one side of the triangle. The third vertex can be any point\r\n" );
document.write( "that is NOT on the line through those two points. For instance, it\r\n" );
document.write( "could be the vertex indicated by the green lines on the graphs below.\r\n" );
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document.write( "However it could not be anywhere on the line through the two \r\n" );
document.write( "given points.\r\n" );
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document.write( "To answer the question, we must find the equation of the line\r\n" );
document.write( "through those points, i.e., the line that includes as a segment\r\n" );
document.write( "one of the sides of the triangle. To find the equation of that\r\n" );
document.write( "line we use the slope formula to find its slope:\r\n" );
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document.write( "The use the point-slope formula:\r\n" );
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document.write( "Answer: The third vertex can be any ordered\r\n" );
document.write( "pair of this set:\r\n" );
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document.write( "Edwin
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document.write( "![\"\"](\"/images/stars/stars-13.gif\")
