Question 15Incorrect0.00 points out of 6.25Flag questionQuestion textSolve the system. If there is more than one solution, write the general solution.x+ y- 2z= 93x+ y+ 2z= 15x- 5y+ 22z= -27Solution {-2z+ 3, 4z+ 6, z| zis any real number}
Select one:a. (1, 10, 1), (1, -2, -2), (5, -4, -1)

b. (3, 6, 0), (-1, 14, 2), (1, -2, -2)c. (3, 6, 0), (1, 10, 1), (-1, 14, 2)d. (1, 10, 1), (-1, 14, 2), (5, -4, -1)FeedbackThe correct answer is: (3, 6, 0), (1, 10, 1), (-1, 14, 2)
Question 16Incorrect0.00 points out of 6.25Flag questionQuestion textWrite the augmented matrix for the given system.4(x- 3y) = 9y+ 68x= 9y+ 6

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The correct answer is:
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17
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Question text
Write the augmented matrix for the given system.
Select one:
a.
b.
c.

d.
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The correct answer is:
Question 18Correct6.25 points out of 6.25Flag questionQuestion textPerform the elementary row operation on the given matrix. -5R1+ R3→ R3

b.
c.
d.
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The correct answer is:
Question 19Incorrect0.00 points out of 6.25Flag questionQuestion textSolve the problem.

a.Assume that traffic flows at a rate of 215 vehicles per hour on the stretch of road between intersections D and A. Find the flow ratesx1, x2, and x3b.If traffic flows at a rate of between 195 and 270 vehicles per hour inclusive between intersections D and A, find the flow ratesx1, x2, and x3
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- Spring '16
- Algebra, Linear Systems, Matrices, Correct Answer, Flag question , Pre-algebra Quarter 4 Exam