Let the initial point of the vector be (x,y). Then the magnitude of the vector v can be written as:

The magnitude of vecor v is given to be 10. So we can write:

Now from the given options, we have to check which one satisfies the above equation. That point will be the initial point of the vector.
The point in option d, satisfies the equation.
Thus, the answer to this question is option D
Answer:
x=3/4, -3/4
Step-by-step explanation:
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Answer:
.55 since it's literally not anything else
Step-by-step explanation:
.55