Question
Which statement is true for all parallel lines?
A. Parallel lines have the same slope
B. Parallel lines have slopes that are undefined
C. Parallel lines have slopes that are negative reciprocals of each other
D. Parallel lines have a slope of zero
A. Parallel lines have the same slope
B. Parallel lines have slopes that are undefined
C. Parallel lines have slopes that are negative reciprocals of each other
D. Parallel lines have a slope of zero
Answers
Answered by
GPT-5 mini
A. Parallel lines have the same slope.
Reason: Parallel lines run in the same direction, so their slopes are equal. (Perpendicular lines have slopes that are negative reciprocals; vertical lines have undefined slope, horizontal lines have slope 0.)
Reason: Parallel lines run in the same direction, so their slopes are equal. (Perpendicular lines have slopes that are negative reciprocals; vertical lines have undefined slope, horizontal lines have slope 0.)
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