Determine whether the expression is a polynomial.

A. Not a polynomial
B. Polynomial

Answer: A

Mathematics

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Solve the equation by completing the square.x2 + x + 6 = 0

A.  ± 
B.  ± i
C. -  ± i
D. -  ± 

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Simplify.(8x - 2y + 5) - 2(-8x + 2y - 5)

A. 24x - 6y + 15 B. 16x - 4y + 10 C. -16x + 4y - 10 D. -24x + 6y - 15

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Use a calculator to solve the equation on the interval 0 ? ? < 2?. Round the answer to two decimal places.cos ? = 0.64

A. {0.88, 4.02} B. 0.88, 2.26 C. {0.88, 2.45} D. {0.88, 5.40}

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Find the standard form of the equation of the following conic section.center (7, 8); r = 

A. (x + 7)2 + (y + 8)2 = 5 B. (x + 8)2 + (y + 7)2 = 25 C. (x - 7)2 + (y - 8)2 = 5 D. (x - 8)2 + (y - 7)2 = 25

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Mathematics