Solve the system of equations.
A. x = 4, y = 0, z = -3
B. inconsistent (no solution)
C. x = 4, y = -3, z = 0
D. x = 0, y = -3, z = 4
Answer: D
Mathematics
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A. True B. False
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Solve the polynomial inequality.2x3 + 5x2 - 47x - 140 > 0
A. 
? 
B. 
? 
C. 
? 
D. 
? 
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Evaluate the expression by hand.2565/4
A. 262,144 B. 1024 C. 65,536 D. 16,384
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Find the real zeros, if any, of each quadratic function using the quadratic formula. List the x-intercepts, if any, of the graph of the function. f(x) = 4x2 - 25x - 21
A. x = - 
, x = 14
B. x = - 
, x = 7
C. x = -3, x = 7
D. x = 
, x = -7
Mathematics