A Point in Rectangular Coordinates Is Given $( - 7,7 )$

question 56

Multiple Choice

A point in rectangular coordinates is given.Convert the point to polar coordinates, r > 0. $( - 7,7 )$

• A)Polar coordinates: \(\left( - \sqrt { 7 } , \frac { \pi } { 4 } \right)\)
• B)Polar coordinates: \(\left( \sqrt { 98 } , \frac { 3 \pi } { 4 } \right)\)
• C)Polar coordinates: \(\left( \sqrt { 98 } , - \frac { 3 \pi } { 4 } \right)\)
• D)Polar coordinates: \(\left( - \sqrt { 98 } , \frac { 3 \pi } { 4 } \right)\)
• E)Polar coordinates: \(\left( \sqrt { 7 } , \frac { \pi } { 4 } \right)\)

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