Step-by-step explanation:
Two lines are parallel if they have the same slope.
To find the slope of the line that passes through two points,
and
, you can use the following formula:

For the first set of points,
and
, we can find the slope with the following:



For the second set of points,
and
, we can find the slope with the following:



Since the two slopes are
and
, the two lines are not parallel.