Solve for the specified variable.A = 
; solve for b
A. b = 
B. b = 
C. b = 
D. b = 
Answer: D
Mathematics
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Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.3x + 4y + z = 273x - 4y - z = -95x + y + 3z = 14
A. (3, -2, 5) B. (3, 5, -2) C. (-2, 5, 3) D. No solution
Mathematics
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. y + 1 B. -1 C. 1 D. simplest form
Mathematics
Find the character of the roots.5 + 4z2 = 8z
A. Two different rational solutions B. Two different irrational solutions C. Two different imaginary solutions D. Exactly one rational solution
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Straight B. Acute C. Right D. Obtuse
Mathematics