Question

Find the magnitude of the vector with (-7, -5) and write the vector as the sum of unit vectors.

Answer 1

Answer: the answer is C

Step-by-step explanation:

Answer 2

The magnitude of vector (-7,-5) =
                         = $\sqrt{ (-7)^{2} + (-5)^{2} } = \sqrt{74} = 8.6$

vector as the sum of unit vectors = -7 i - 5 j