Find the indicated matrix.Let B = [-1 6 4 -3]. Find -2B.
A. [2 6 4 -3]
B. [-2 12 8 -6]
C. [2 -12 -8 6]
D. [-3 4 2 -5]
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.x - 2i = 5 + yi
A. x = 5, y = -2 B. x = -5, y = 7 C. x = 5, y = 2 D. x = -5, y = -3
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A. 
B. 
C. 
D. 
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