True or false? The ordered triple listed is a solution of the system.(-5, -2, -2) x + y + z = -9 x - y + 5z = -132x + y + z = -14
A. True
B. False
Answer: A
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Find the slope of the line. Interpret the slope in terms of rise and run.
A. -3; The graph falls 3 units for each unit of run.
B. - 
; The graph falls 1 unit for every 3 units of run.
C. 
; The graph rises 1 unit for every 3 units of run.
D. 3; The graph rises 3 units for each unit of run.
Round the money amount to the specified place.$4.379 to the nearest cent.
A. $4.38 B. $4.37 C. $4.4 D. $4
Use a graph of the function to find the derivative of the function at the given point, if it exists.f(x) = 
at x = 3
A. 1 B. -1 C. Does not exist D. 0
Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.x - y + 2z + w = 4y + z = 5z - w = 1
A. {(6 - 4w, 4 - w, 1 + w, w)} B. {(6, 4, 1, w)} C. ? D. {(2, 3, 2, 1)}