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Assignment 8
The line goes through the points
and
and intersects the line:
in the point .
Calculate the coordinates of .
Solution
We can use the formula that computes the slope of the line from the points
and
, but this is not necessary. We notice that the
-coordinates of both points are equal, meaning that the line is parallel to the
-axis and thus has the equation
. The
-coordinate of the intersection point
is:
and thus has the coordinates
, see the figure.
Return to Assignments Linear functions and graphs.