Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set. 3x - 5y +z+7 = 0 - 9x + 2y + 3z + 21 = 0 5x - 9y - z-7 = 0

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
3x - 5y + z +7 = 0
- 9x + 2y + 3z + 21 = 0
5x - 9y - z -7 = 0
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
O A. There is one solution. The solution set is {( ID}
(Type integers or simplified fractions.)
O B. There are infinitely many solutions. The solution set is {( z)}, where z is any real number.
(Simplify your answers. Use integers or fractions for any numbers in the expressions.)
O C. There is no solution. The solution set is Ø.
Transcribed Image Text:Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set. 3x - 5y + z +7 = 0 - 9x + 2y + 3z + 21 = 0 5x - 9y - z -7 = 0 Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. There is one solution. The solution set is {( ID} (Type integers or simplified fractions.) O B. There are infinitely many solutions. The solution set is {( z)}, where z is any real number. (Simplify your answers. Use integers or fractions for any numbers in the expressions.) O C. There is no solution. The solution set is Ø.
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