Problem 23 of 7
Use slope to prove lines or segments RS with R(4,0), S(1,2) and TU with T(0,3), U(3,1) are parallel.
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compare equal slopes.
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Proof must compare equal slopes or both vertical lines.
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Solution
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1. Compute slope of each segment.
2. Compare slopes, treating vertical lines separately.
3. Conclude parallel when slopes match.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Comparing y-intercepts only.