Solve the equation by completing the square.x2 - 8x - 3 = 0
A. {8 - 
, 8 + 
}
B. {4 - 
, 4 + 
}
C. {-4 - 
, -4 + 
}
D. {4 - 
, 4 + 
}
Answer: D
Mathematics
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Simplify the square root.
A. w26 B. |w14| C. -w14 D. w14
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Write the mixed number as an improper fraction.7
A. 
B. 
C. 
D. 
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Model the curve with a cosine function.
?
?
Note that the period of the curve is 
and its range is 
.
?
A. 
B. 
C. 
D. 
E. 
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Solve the equation for x. 
What will be an ideal response?
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