Write the system of equations corresponding to the matrix. Use x, y; or x, y, z as variables. Determine whether the system is consistent and independent, consistent and dependent, or inconsistent. If it is consistent and independent, give the solution.
A. 
inconsistent
B. 
consistent and independent
(-2, 9)
C. 
consistent and dependent
D. 
consistent and independent
(9, -2)
Answer: D
Mathematics
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Find the x-intercept(s) and the y-intercept of the function.f(x) = x3 + 8x2 - x - 8
A. (-1, 0), (1, 0), (-8, 0), (0, 8) B. (-1, 0), (1, 0), (-8, 0), (0, -8) C. (-1, 0), (1, 0), (0, 8) D. (-1, 0), (1, 0), (0, -8)
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The reduced row echelon form of the augmented matrix of a system of equations is given. Find the solutions of the system. 
A. (-2, 18, 6, 2, 0) B. No solution C. (-2, 18, 6, 2, w) for any real number w D. (-2, 18, 6, 2)
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Multiply. Simplify your answer.
× 
A. 
B. 
C. 
D. 
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