Use Cramer's rule to determine if the system is inconsistent system or contains dependent equations. x + z = 12x - 2y = -2 y + z = 4
A. system contains dependent equations
B. system is inconsistent
Answer: B
Mathematics
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Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
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Find the exact value of the expression.cot 60°
A. 1
B. 
C. 
D. 
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For what values of x does the series converge absolutely?
A. -11 ? x < -9 B. -11 ? x ? -9 C. -11 < x < -9 D. -11 < x ? -9
Mathematics
Solve the linear inequality. Express the solution in set-builder notation.- 
x - 
< - 
A. 
B. 
C. 
D. 
Mathematics