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The Letters R and θ Represent Polar Coordinates r=1+2sinθ\mathrm { r } = 1 + 2 \sin \theta

Question 231

Multiple Choice

The letters r and θ represent polar coordinates. Write the equation using rectangular coordinates (x, y) .
- r=1+2sinθ\mathrm { r } = 1 + 2 \sin \theta


A) x2+y2=x2+y2+2y\sqrt { x ^ { 2 } + y ^ { 2 } } = x ^ { 2 } + y ^ { 2 } + 2 y
B) x2+y2=x2+y2+2yx ^ { 2 } + y ^ { 2 } = \sqrt { x ^ { 2 } + y ^ { 2 } } + 2 y
C) x2+y2=x2+y2+2xx ^ { 2 } + y ^ { 2 } = \sqrt { x ^ { 2 } + y ^ { 2 } } + 2 x
D) x2+y2=x2+y2+2x\sqrt { x ^ { 2 } + y ^ { 2 } } = x ^ { 2 } + y ^ { 2 } + 2 x

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