Answer Happy

Question (5 points): If it is given det(A) = 10 and B is obtained by interchanging the first two rows of A, then det (B) = Select one: . 10 −1 -10 none of the others Question (5 points): Let 1 1 -1 2 2 3 5 0 -3 -3 3+x -7 given system has no solution. Select one: -3 1 0 none of the others be the augmented matrix of a linear system. Choose the value of z for which the
Question (5 points): Choose the correct statement for the linear system whose augmented matrix is 1 2 -1 1 4 1 3 -2 1 6 2 -1 3 21 Select one: The linear system has a unique solution. The linear system has exactly three solutions. The linear system has no solution. The linear system has infinitely many solutions. none of the others