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# Finding axis intersections in three dimensions watch

1. Im finding this hard to visualise. If we're finding where a line intersects the y axis, we say that x = 0 but in three dimensions, do both the z and x components need to be zero?
2. (Original post by pineneedles)
Im finding this hard to visualise. If we're finding where a line intersects the y axis, we say that x = 0 but in three dimensions, do both the z and x components need to be zero?
Yep.
3. (Original post by Zacken)
Yep.
Cheers

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4. (Original post by pineneedles)
Cheers

Posted from TSR Mobile
You might enjoy this: http://www.shmoop.com/systems-equati...-d-graphs.html

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