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kompoz [17]
4 years ago
12

Vector u has its initial point at (-7, 2) and its terminal point at (11, -5). Vector v has a direction opposite that of vector u

, and its magnitude is three times the magnitude of u. What is the component form of vector v?

Mathematics
1 answer:
marshall27 [118]4 years ago
5 0

Answer= c

In this case you've got to place the vector from the origin, so you have to get the difference from both points (x2-x1) and (y2-y1)

So you get that the vector from the origin is (18,-7)

Know you know the vector v is three times the vector u, so you multiply three times the vertex, but remember the vector v goes int he opposite direction, so the vector v from origin the the terminal point is (-54, 21)

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