Solve the quadratic equation by completing the square.x2 = 5 - 8x
A. {-1 - 
, -1 + 
}
B. {-4 - 
, -4 + 
}
C. {-4 - 2
, -4 + 2
}
D. {4 + 
}
Answer: B
Mathematics
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A. -5 B. 5, -5 C. Never undefined D. 0
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A. 1 B. -6 C. 0 D. -5
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Translate into English sentence.x - 5 = 11
A. The difference of five and some number is eleven. B. Eleven minus five is some number. C. Some number less eleven is five. D. Five minus some number is eleven.
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Simplify the expression. Assume that all variables represent non-negative real numbers.-5
+ 2
A. -16
B. -24
C. 16
D. 24
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