SOLUTION: 21. Without graphing, tell whether the line containing (�7, 5) and (�7, �9) is horizontal, vertical, or neither.

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): You can put this solution on YOUR website!
vertical
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