Find the Unit Vector in the Direction of the Given $\mathbf { u } = \langle - 4,3 \rangle$

question 99

Multiple Choice

Find the unit vector in the direction of the given vector. Write your answer in the indicated form.
-Let $\mathbf { u } = \langle - 4,3 \rangle$ . Find the unit vector in the direction of $\mathbf { u }$ , and write your answer as a linear combination of the standard unit vectors $\mathrm { i }$ and $\mathbf { j }$ .

• A) \(- \frac { 4 } { 7 } i + \frac { 3 } { 7 } j\)
• B) \(\langle 1,1 \rangle\)
• C) \(- \frac { 4 } { 25 } \mathrm { i } + \frac { 3 } { 25 } \mathrm { j }\)
• D) \(- \frac { 4 } { 5 } \mathrm { i } + \frac { 3 } { 5 } \mathrm { j }\)

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