Posted by **amy** on Saturday, January 9, 2010 at 9:13pm.

Find the manitude of each vetcor, and write each vector as the sum of the unit vectors.

Choose either one

(2,6) or (4,-5)

Thank you

- Pre Cal -
**Marth**, Saturday, January 9, 2010 at 10:09pm
The magnitude of each vector is found by taking the square root of the square of each component.

||(2,6)|| = sqrt(2^2 + 6^2)

It is usually written as double bars.

The vector can also be expressed as the sum of scalar components multiplied by unit vectors. With i = (1, 0) and j = (0, 1), then (2, 6) = 2i + 6j.

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