Solve.x4 - 31x2 - 180 = 0
A. -36, 5
B. - 
, 
, -6i, 6i,
C. 6, i
D. -6, 6, -i
, i
Answer: D
Mathematics
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A. (3, 7) B. (-2, 3) C. (7, 12) D. (12, -2)
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A. -3 + i B. 3 - i C. -3 - i D. 3 + i
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A. Composite B. Neither C. Prime
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Graph the linear equation in two variables.y = 2x
A. 
B. 
C. 
D. 
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