Point-slope form, Mathematics

The next special form of the line which we have to look at is the point-slope form of the line. This form is extremely useful for writing the equation of any line.  If we know that a line passes through the point (x1 , y1 ) and has a slope of m then the point-slope form of the  equation of the line is,

                                           y - y1 = m ( x - x1 )

Sometimes it is written as,

                                        y = y1 + m ( x - x1 )

As stated earlier this form is specifically useful for writing down the equation of a line so let's take a look at an example of this.

Posted Date: 4/6/2013 5:58:02 AM | Location : United States

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