How should we describe a line in space using Algebra?
Hint:
1. We can think of a plane as a collection of vectors in space
which satisfies an equation of the form ax + by + cz = d. False,
because we can move vectors around, which will mess up the
plane.
2. We can think of a plane as a collection of vectors in space
whose starting point must be at the origin which satisfies an
equation of the form ax + by + cz = d. True, because fixing where
the vectors starts (i.e., at the origin) means we can't move the
vectors around.
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