Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)2.4x - 2.0y + 4.2z = 4.93.3x - 7.0y - 1.6z = -4.93.8x - 0.7y + 4.9z = 1.9
A. {(-2.4, -0.9, 2.1)}
B. {(-0.6, -0.2, 0.5)}
C. {(-1.2, -0.4, 1.0)}
D. {(-1.8, -0.7, 1.6)}
Answer: A
Mathematics
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A. 
B. 
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C. undefined
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