Give all solutions of the nonlinear system of equations, including those with nonreal complex components.3x2 + 3y2 = 206x2 + 6y2 = 48

A. {(2i, 2i), (2i, -2i), (-2i, 2i), (-2i, -2i)}
B. {(2, 2), (-2, -2)}
C. {(2, 2), (2, -2), (-2, 2), (-2, -2)}
D. ?


Answer: D

Mathematics

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A.  
B.  
C.  
D.  

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Write the domain of the rational function in interval notation.f(x) = 

A. (-?, -7) ? (-7, ?) B. (-?, -8) ? (-8, ?) C. (-?, -7) ? (-7, 8) ? (8, ?) D. (-?, 8) ? (8, ?)

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Solve the equation. Express radicals in simplest form.2y -  = y2

A.
B.
C. ?
D. {3}

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Write the first four terms of the sequence whose general term is given.an = 

A. 1, 4, 
B.
C. , 3, 
D. 2, 4, 3, 

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