Solve the quadratic equation using the quadratic formula.y2 + 12y = -212
A. {-6 ± 4i
}
B. {-6 ± i
}
C. {-6 ± 4
}
D. {6 ± 4i
}
Answer: A
Mathematics
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sin 4x = 3
A. {0}
B. 
C. 
D. 
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C. r = 
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for n
A. n = IR(Ir - E)
B. n = 
C. n = 
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