Solve the system of equations. If the system is inconsistent or has dependent equations, say so. x + 4y - z = 3-4x - 16y + 4z = -12 3x + 12y - 3z = 9
A. {(1, 1, 2)}
B. {(x, y, z)|x + 4y - z = 3}; dependent equations
C. {(0, 2, 5)}
D. ?; inconsistent system
Answer: B
Mathematics
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Solve.4x + 3y + z = 84x - 5y - z = -265x + y + 4z = -12
A. (-3, -1, 5) B. (-1, 5, -3) C. (-1, -3, 5) D. (-3, 5, -1)
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Sketch the graph of 
from x = 0 to x = 2? by making a table using multiples of 
for x.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Translate each graph to an inequality using the variable x.
A. x ? 
B. x ? 
C. x < 
D. x > 
Mathematics