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OpenStudy (anonymous):
Evaluate the following expression: (1,4) -5(1,1). Enter your answer as a vector. Help please, I have no idea what a vector even is:(
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OpenStudy (dan815):
lol xD knowing vector is a good place to start!
OpenStudy (anonymous):
@dan815 everytime i google something on vector's it just makes me more confused, I'm so lost.
OpenStudy (dan815):
Anyway im guessing these 2 are vectors <1,4> and <1,1> we are subtracting 5 of <1,1> from<1,4> so <1,4>-<5,5> = <-4,-1>
OpenStudy (dan815):
you subtract component by component
OpenStudy (dan815):
Youtube Vector PatrickJMT or Vector Khanacademy
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OpenStudy (anonymous):
oh okay, that makes more sense
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