Problem 127 of 7
Explain why slopes 2 and -1/2 imply perpendicular lines.
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connect slope product to right angle.
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Slopes must satisfy a perpendicular criterion.
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Solution
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1. Compare the two slopes.
2. Show they are negative reciprocals or horizontal/vertical.
3. Connect that relationship to a right angle.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Stating reciprocal only without the negative sign.