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19 May 2018
7. Consider the following system of equations, depending on the parameter k (k + 2)x1 + 8ri + x2 (k + 4).x2 = - 3k +3 12 Which of the following is true? (A) The system is consistent if and only if k -6. B) The system has unique solution if and only if k +0. C) The system has no solution if k = 1. D) The system has infinitely many solutions if and only if k = -6. E) None of the above.
7. Consider the following system of equations, depending on the parameter k (k + 2)x1 + 8ri + x2 (k + 4).x2 = - 3k +3 12 Which of the following is true? (A) The system is consistent if and only if k -6. B) The system has unique solution if and only if k +0. C) The system has no solution if k = 1. D) The system has infinitely many solutions if and only if k = -6. E) None of the above.
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Jean KeelingLv2
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