Solve the equation by using the square root property. Express any complex numbers using i notation.x2 + 81 = 0

A. x = ± 10i
B. x = 9i
C. x = -40.5
D. x = ± 9i


Answer: D

Mathematics

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A.  +  +  
B.  +  +  
C.  +  
D.  +  

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Multiply.8,008 × 0.4004

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Solve the problem.Determine whether the ordered triple  is a solution of the system of equations.9x + 6y + 9z = 56x + 3y - 3z = 14 x - y + 2z = -3

A. No B. Yes

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