Dot Product
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7 Terms
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The angle between the two vectors is acute
The dot product is positive
2
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The two vectors are perpendicular
The dot product is 0
3
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The angle between the two vectors is obtuse
The dot product is negative
4
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u•v with points (a,b) and (c,d)
ac+bd
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Orthogonal or normal
Perpendicular
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The vectors are parallel
The dot product is |a||b| or -|a||b|
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u•v with magnitude and θ
|u||v|cosθ
Note 
Flashcards (32)