Write the expression in the standard form a + bi.i15

A. -1
B. i
C. -i
D. 1

Answer: C

Mathematics

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Find the inverse of the matrix (if it exists).A =

A. A-1 = 

B. A-1 = 

C. A-1 = 

D. A-1 = 

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Perform the matrix operation. -  =

A.  
B.  
C.  
D. Not defined

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Find the equation of a line passing through the given points. Solve the equation for y.(-6, -51) and (3, 12)

A. y = 7x - 9
B. y = x - 
C. y = - x - 
D. y = -7x - 93

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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. Yes B. No

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