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How to find the equation of a line when given two points? |
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Answer» If two points: (x1,y1) and (x2, y2)are given, then the equation of the line having these two points is: y - y1= m (x - x1); where m = (y2- y1)/(x2- x1) Straightlines are a very important topic one must understand in order to do well in coordinate geometry. They are used to graphically represent linear equations and fin their applications in various fields related toengineering and science. For understanding them, we first need to understand how an equation is represented by a straight line. |
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