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Mathematics 16 Online
OpenStudy (anonymous):

Is the line with equation x = 4 horizontal or vertical?

OpenStudy (anonymous):

Vertical!!!

OpenStudy (accessdenied):

Any point on the line will have the form: (4, y). y is able to take any value when only x is defined here (x=4). So the collection of every y-value then makes this formation: |dw:1391184009626:dw|

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