# Solve the system if there is more than one solution

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Solve the system. If there is more than one solution, write the general solution. 2x+2y-3z=3 -5x-2y+5z=14 -8x-2y+7z=31 Select one: a. {(-3, -4, -4)} b. {( x is any real number)} c. {(-3, -3, -5)} d. No solution; inconsistent The correct answer is: {( x is any real number)}
3/21/2020 Graded Exam #4 Question 15 Solve the problem.
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8.75 points out of 8.75 A package in the shape of a rectangular solid is to be mailed. The combination of the girth (perimeter of a cross section defined by w and h) and the length of the package is 60 in. The width is 4 in. greater than the height, and the length is 13 in. greater than the width. Find the dimensions of the package. Select one:
3/21/2020 Graded Exam #4 Question 16 Correct 8.75 points out of 8.75 Write the augmented matrix for the given system. -3x-6y+9z=12 -x+2y=-10 x-8z=-2 Select one:
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3/21/2020 Graded Exam #4 Question 17 Correct 8.75 points out of 8.75 Solve the system using Gaussian elimination or Gauss-Jordan elimination. w - 2 x + 3 y = 8 -5 x - 5 y = -25 -2 x + 3 y - 4 z = 17 -3 w - 5 x + 2 y - 3 z = -4 Select one: a. {(3, 2, -3, 3)} b. {(3, 2, 3, -3)} c. {(-3, -2, 3, -3)} d. {(-3, -2, -3, 3)} The correct answer is: {(3, 2, 3, -3)}
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