Solve.2x2 + y2 = 35x2 - y2 = 53
A. (2
, -i
), (2
, i
)
B. (-2
, i
), (2
, i
)
C. (-2
, -
), (-2
, 
), (2
, -
), (2
, 
)
D. (-2
, -i
), (-2
, i
), (2
, -i
), (2
, i
)
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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A. {(5, -3)} B. {(0, 0)} C. {(x, y)| x + y = 2} D. ?
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Fill in the blank.The opposite of 30 = 
.
A. - 
B. 0
C. 30
D. -30
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