Solve the system using matrices. x - y + 5z = 63x+ z = 2 x + 4y + z = 18
A. No solution
B. (2, 4, 0)
C. (2, 0, 4)
D. (0, 4, 2)
Answer: D
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What will be an ideal response?
Use matrices to determine whether the system is inconsistent, dependent, or neither.
A. neither B. dependent C. inconsistent
Provide an appropriate response.A line passes through the points (5, 3) and (2, 3). The equation of this line is 
. The slope of the line is 
.
A. x = 3; 0 B. y = 3; 0 C. x = 3; undefined D. y = 3; undefined
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to B = 5000(5)x, where x is time in days. Find the number of bacteria when x = 0 and x = 2.
A. 5000 bacteria, 125,000 bacteria B. 25,000 bacteria, 125,000 bacteria C. 5000 bacteria, 15,625,000 bacteria D. 5000 bacteria, 50,000 bacteria