The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (2, 0, 9, 6)
B. (2, y, 9, 6)
C. (2, 9, z, 6)
D. Inconsistent
Answer: B
Mathematics
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A. -4b + 4 B. 8b C. 10b + 4 D. 4b + 4
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Evaluate the algebraic expression for the given value. If necessary, simplify your answer.
; x = 7
A. 3 B. 2 C. 56 D. 1
Mathematics
Determine whether the equation has two distinct real number solutions, one real number solution, or no real number solution.7x2 = -4x - 7
A. one real number solution B. two real number solutions C. no real number solutions
Mathematics
Identify the radicand.s2t
A. (s2t)
B. 
C. 
D. s2t
Mathematics