Solve the following system by any appropriate method. If there is no real number solution, so state.y2 + 3x2 = 37y2 - x2 = 1
A. (4, 
), (4, -
), (-4, 
), (-4, -
)
B. (3, -
), (3, 
)
C. (3, 
), (-3, 
)
D. (3, 
), (3, -
), (-3, 
), (-3, -
)
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the equation.|x2 - 2x| = 0
A. {-2, 0, 2} B. {0, 2} C. {-2, 0} D. no solution
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Solve the equation.0.5x - 0.8x - 2 = 19
A. 68.67 B. -68.67 C. -70 D. 70
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