Both lines are parallel because: A. both lines have a slope of 4/3.
<h3>What is the Slope of a Line?</h3>
The slope of a line = change in y / change in x =
.
The slope of parallel lines are the same, while the slope of perpendicular lines are negative reciprocals.
Slope of AB = 4 units/3 units = 4/3
Slope of CD = 4 units/3 units = 4/3
Both lines have the same slope, therefore, they are parallel to each other.
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