Parallel lines are defined as lines in the same plane that never intersect and maintain a constant distance apart, regardless of how far they are extended. In the context of a graph, lines can be determined to be parallel if they have the same slope, meaning they change vertically and horizontally at the same rate, resulting in identical angles with the x-axis. This consistent slope ensures that the lines will never meet, regardless of their y-intercepts, thus confirming their parallel nature.
All of these lines are parallel to each other. What do you know about parallel lines and then what do you think makes these lines be parallel on a graph? Write at least 2 detailed sentences.
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