Solve the system of equations.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. {(0, 6, -1)}
B. {(-3, 0, 4)}
C. {(3, 0, -4)}
D. {(0, -6, 1)}
Answer: D
Mathematics
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Solve the cubic equation using factoring and the quadratic formula.x3 - 8 = 0
A. {2, 1 ± i
}
B. {2, -1 ± i
}
C. {2, -1 ± 
}
D. {2, ±2i}
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Use a calculator to evaluate the expression. Round your answer to the nearest thousandth.
A. 4.782 B. 3.082 C. 4.082 D. 6.382
Mathematics
Multiply.54 ? 1
A. 0 B. 541 C. 1 D. 54
Mathematics
Multiply and simplify. Leave your answer in exponential notation.x7 ? x0
A. 0 B. x0 C. 2x7 D. x7
Mathematics