Answer:
Neither
Step-by-step explanation:
The slope of PQ is -3.
The slope of RS is 3.
Parallel lines have the same slope. The slopes for perpendicular lines are the opposite of the reciprocal. PQ and RS are intersecting lines, but not parallel or perpendicular.
Answer:
ok
Step-by-step explanation:
By looking at the graph and seeing which point crosses the y axis. This point will always have an x coordinate of zero.