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

question 31

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: \(\left( \sqrt { 7 } , \frac { \pi } { 4 } \right)\)