Solve the system of equations.x - y + z = -1x + y + z = 1x + y - z = -7
A. {(-4, 4, 1)}
B. {(4, -4, 1)}
C. {(1, 4, -4)}
D. {(-4, 1, 4)}
Answer: D
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Find matrices A, X, and B such that the linear system is equivalent to the matrix equation AX = B.
A. A = 
, X = 
, B = 
B. A = 
, X = 
, B = 
C. A = 
, X = 
, B = 
D. A= 
, X = 
, B = 
Use a graphing calculator and the method of matrix inverses to solve the system. Give 5 decimal places.(log 2)x + (ln 3)y+ (ln 5)z = 4(ln 3)x + (log 8)y + (ln 10)z = 11(log 23)x + (ln 7)y + (ln 4)z = 15
A. ? B. {(0.30103, 9.0309, 1.38629)} C. {(4.12321, 3.91519, 1.27440)} D. {(9.25474, 1.35236, -0.16880)}
Find the equation of the horizontal or vertical line, as indicated, through the given point.horizontal line; through (5, -4)
A. y = 5 B. y = -4 C. x = 5 D. x = -4
Select the graph of 
and the transformation 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
