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MakcuM [25]
3 years ago
14

Let u = <6, -9>, v = <1, -4>. Find u - v.

Mathematics
1 answer:
melamori03 [73]3 years ago
3 0
To subtract vectors, subtract the x coordinates together. Do the same for the y coordinates as well.

In terms of a formula if we had the vectors u and v such that
u = <a,b>
v = <c,d>
then 
u - v = <a-c, b-d>

Let's use that to get...
u - v = <6,-9> - <1,-4>
u - v = <6-1,-9-(-4)>
u - v = <6-1,-9+4>
u - v = <5,-5>
----------------------
Answer: A) <5,-5>

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