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squeke22
on FreezingBlue Flashcards.
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Distance Formula
d= 
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sphere of radius r and center (h,j,k)
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standard basis vectors
- i= <1,0,0>
- j= <0,1,0>
- k= <0,0,1>
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unit vector
a vector of length 1
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When are two vectors parallel to each other?
When they are scalar multiples
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When are two vectors orthoganal or perpendicular to each other?
When their dot products is zero
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what is the equations of 
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what does the cross product help to find?
the area
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what is the product of a cross product?
a vector perpendicular to both a and b
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Dot product produces a?
scalar
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Cross product produces a?
vector
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Two things needed to produce an equation of a line
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Two things needed to produce a plane
- point
- perpendicular vector
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Hyperboloid on two sheets
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Define space curve
any curve in space
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is the point
is the vector
