Convert the polar equation to a rectangular equation.r = 
A. 4x2 + 4y2 + 8x - 16 = 0
B. 3x2 + 4y2 + 8x - 16 = 0
C. 4x2 + 3y2 + 8y - 16 = 0
D. 5x2 + 4y2 - 8x - 16 = 0
Answer: B
Mathematics
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A. (14, ?)
B. (-?, 14)
C. [14, ?)
D. (-?, 14]
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A. 4 B. 157 C. 624 D. 2512
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