A line passes through #(4 ,3 )# and #(1 ,4 )#. A second line passes through #(7 ,8 )#. What is one other point that the second line may pass through if it is parallel to the first line?
1 Answer
Jul 15, 2016
Let the coordinate of other point be
The slope of the 1st line passing through
The slope of the 2nd line passing through
By the given condition of the problem the 2nd line is parallel
to the !st one . So their slope will be equal.
Replacing
Plugging in 20 for x in equation (1) we get y = 1, so