Solve the system of equations. x -y + 5z = -45x+ z = 0 x + 4y +z = 16
A. (0, 4, -4)
B. (4, 0, 0)
C. (0, 0, 4)
D. (0, 4, 0)
Answer: D
Mathematics
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Find the derivative.p = 
A. 
= sec2 q + 1
B. 
= - csc q cot q
C. 
= sec2 q
D. 
= sec q tan q
Mathematics
Solve the equation.x(6x - 5) = (6x + 1)(x - 5)
A. 
B. {6}
C. 
D. 
Mathematics
Find an equivalent equation in rectangular coordinates.r = cos ?
A. x2 + y2 = x B. x2 + y2 = y C. (x + y)2 = y D. (x + y)2 = x
Mathematics
Solve the polynomial equation in the complex numbers.x3 + 8x2 + 16x + 8 = 0
A. {-2, -6 + 
, -6 - 
}
B. {1, -1, -8}
C. {2, -6 + 
, -6 - 
}
D. {-2, -3 + 
, -3 - 
}
Mathematics