Solve the system by using the inverse of the coefficient matrix. 3x₁ + 9x₂ = 3 2x1 X2 = -5 OA. (-2,1) OB. (-1,2) OC. (2,-1) OD. (1, -2)

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Solve the system by using the inverse of the coefficient matrix.
3x₁
+ 9x₂
+ 9x₂ = 3
2x1
-
X₂ = -5
OA. (-2,1)
OB. (1,2)
O C. (2,-1)
OD. (1.-2)
Transcribed Image Text:Solve the system by using the inverse of the coefficient matrix. 3x₁ + 9x₂ + 9x₂ = 3 2x1 - X₂ = -5 OA. (-2,1) OB. (1,2) O C. (2,-1) OD. (1.-2)
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