Convert the polar equation to a rectangular equation.r = 
A. 3x2 + 4y2 + 8x - 16 = 0
B. 4x2 + 3y2 + 8y - 16 = 0
C. 4x2 + 4y2 + 8x - 16 = 0
D. 5x2 + 4y2 - 8x - 16 = 0
Answer: A
Mathematics
A. 3x2 + 4y2 + 8x - 16 = 0
B. 4x2 + 3y2 + 8y - 16 = 0
C. 4x2 + 4y2 + 8x - 16 = 0
D. 5x2 + 4y2 - 8x - 16 = 0
Answer: A