Write the equation of the circle that satisfies the following conditions. Express the final equation in the form x2 + y2 + Dx + Ey + F = 0.Center at the origin and r = 4
A. x2 + y2 = 0
B. x2 - y2 - 16 = 0
C. x2 - y2 + 16 = 0
D. x2 + y2 + 16 = 0
E. x2 + y2 - 16 = 0
Answer: E
Mathematics
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A. x2 + 7 + 
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C. x2 + 7 + 
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A. 
B. 
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A. -50x11 + 10 B. -50x4 - 100 C. -150x7 D. -50x11 - 100x7
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Draw a sketch to represent the vector. Refer to the vectors pictured here. 
c + d
A. 
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