Find the Magnitude and Direction Angle for the Following Vector $- 7 i + 2 j$

question 167

Multiple Choice

Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
- $- 7 i + 2 j$

• A) \(\sqrt { 53 } , 164.1 ^ { \circ }\)
• B) \(9,344.1 ^ { \circ }\)
• C) \(\sqrt { 53 } , 15.9 ^ { \circ }\)
• D) \(53,164.1 ^ { \circ }\)

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