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Tatiana
[17]
3 years ago
15
Tara is using matrix multiplication to find image points of a translation. She is translating the image 2 units left and 4 units
up. Which should be her first matrix?
Mathematics
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1
answer:
Ahat
[919]
3 years ago
7
0
Assuming that this is just on a 2-D coordinate plane, we must convert the expressions on to a 3-D plane since translation cannot be done on a 2-D plane. This is done by adding a dummy coordinate that does not change. Let us use "1" for this case.
Matrix:
| 0 0 -2 |(x) = (x - 2)
<span>| 0 0 4 |(y) = (y + 4)
</span><span>| 0 0 1 |(1) = 1</span>
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