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OpenStudy (anonymous):
OpenStudy (anonymous):
I can't seem to understand where's the origin.
OpenStudy (anonymous):
..... me too
OpenStudy (anonymous):
it looks like a graph
OpenStudy (anonymous):
Does the origin represent the pointy arrow?
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OpenStudy (anonymous):
is there anymore to this question?
OpenStudy (anonymous):
I'm afraid not.
OpenStudy (anonymous):
hmmm, I would say that the point of the arrow would be the origin
OpenStudy (anonymous):
I'm not quite sure where to start from here. This question would be easier if it has numbers from x to y-axis.
OpenStudy (anonymous):
@drumminboy918 I was thinking the same, but I want to get opinions from others as well. Thank you though.
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OpenStudy (anonymous):
no problem :D
ganeshie8 (ganeshie8):
This is a vector
ganeshie8 (ganeshie8):
it has a `head` and a `tail`
OpenStudy (anonymous):
Yeah, how do I start that?
ganeshie8 (ganeshie8):
|dw:1403114461413:dw|
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ganeshie8 (ganeshie8):
start at `Tail`
OpenStudy (anonymous):
Then the rest of it is magnitude.
OpenStudy (anonymous):
|dw:1403114528798:dw|
ganeshie8 (ganeshie8):
yes but we don't need magnitude.. we just need to represent that vector in component form
OpenStudy (anonymous):
What am I doing here?
Am I adding, substracting vectors?
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ganeshie8 (ganeshie8):
Start from Tail : the vector is going `3` grids to the left,
and `4` grids to the down
OpenStudy (anonymous):
Oh okay, I get it now (hopefully).
So I start at the tail then work my way out my counting to the left which is 3. Then work my way down which leads me to -4.
ganeshie8 (ganeshie8):
looks you nailed it !!
OpenStudy (anonymous):
The answer would be 3,-4, correct?
ganeshie8 (ganeshie8):
left side is negative, so the x component is : \(\color{red}{-}\)3
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ganeshie8 (ganeshie8):
answer would be (-3, -4)
OpenStudy (anonymous):
Hmm.. you're probably right. I'm always have those signs problem. Thanks.
OpenStudy (anonymous):
I*
ganeshie8 (ganeshie8):
np :) think of walking on number line -
walking left is negative direction
walking right is positive direction
OpenStudy (anonymous):
Understandable :)
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