SOLUTION: 21. Without graphing, tell whether the line containing (–7, 5) and (–7, –9) is horizontal, vertical, or neither.
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-> SOLUTION: 21. Without graphing, tell whether the line containing (–7, 5) and (–7, –9) is horizontal, vertical, or neither.
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Question 608589: 21. Without graphing, tell whether the line containing (–7, 5) and (–7, –9) is horizontal, vertical, or neither. Answer by rfer(16322) (Show Source):
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