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15 cards from this deck
Magnitude (size/length) and direction
a, b, c
Vector from point A to point B
(xy)\begin{pmatrix} x \\ y \end{pmatrix}(xy)
Direction stays the same
Magnitude changes
3 times the length, same direction
2 times the length, opposite direction
Same magnitude, opposite direction to bbb
Draw end-to-end; resultant from start to final end
xxx units horizontal, yyy units vertical
Multiply both parts by the scalar
Add top numbers together, add bottom numbers together
Opposite sides have equal vectors
Yes: a+b=b+aa + b = b + aa+b=b+a
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