Suppose a nonhomogeneous system Ax = b consisting of five linear equations with seven unknowns has...
Suppose the solutions of a homogeneous system of five linear equations in six unknowns are all multiples of one nonzero so- lution. Will the system necessarily have a solution for every possible choice of constants on the right sides of the equations? Explain.
U 10 I LI IU I LILIUI IUL 2. (Bases for column and row spaces) Suppose A is a 3 x 3 matrix with pivots in exactly the first and second columns. Suppose B is the unique reduced echelon form of A. (a) We know that the first and second columns of A form a basis for Col A. Is it necessarily true that the first and second columns of B form a basis for Col A? If so, explain...
1. Choose one problem, mark it, and solve it. (10 points) A scientist solves a nonhomogeneous system of ten linear equations in twelve unknowns and finds that three of the unknowns are free variables. Can the scientist be certain that, if the right sides of the equations are changed, the new nonhomogeneous system will have a solution? Justify your answer. (8 points) If a 6 x 4 matrix A has rank 2, find dim NulĄ and dim RowA.
Engineer Elly solves a nonhomogeneous system of ten linear equation in twelve unknowns. Elly discovers that three of the unknowns are free variables. [4 pts] What are the rank and nullity of the associated coefficient matrix A? rank(A)- null(A)= [2 pts] Fill in the blanks to give a geometric description for the solution set (that Elly found). The solution set is a(u) in R Explain your answer. We were unable to transcribe this image
66. Suppose a non-homogeneous system AF = 5 of six linear equations in eight variables has a solution, with two free variablea. Is is possible that Až = is inconsistent for some y in R6? Why or why not? 67. Let A be a 4 x 4 matrix. The eigenvectors of A are 6 and - 5. The eigenspace corresponding to 1 = 6 is 2-dimensional and the eigenspace corresponding to A = -5 is 1-dimensional. Is A diagonalizable? Why...
Write each statement as True or False (a) If an (nx n) matrix A is not invertible then the linear system Ax-O hns infinitely many b) If the number of equations in a linear system exceeds the number of unknowns then the system 10p solutions must be inconsistent ) If each equation in a consistent system is multiplied through by a constant c then all solutions to the new system can be obtained by multiplying the solutions to the original...
(1 point) Each graph below is the graph of a system of three linear equations in three unknowns of the form Ai = b. Determine whether each system has a solution and, if it does, the number of free variables. c choose B choose A choose choose E choose D. choose choose
2 x [b] Consider the following linear system of equations AX =B : (i) Determine a basis for the row space of A. (ii) Compute the Rank of the augmented matrix (A:B), then use it to classify the solution of this system (Unique - Many -No: solution). (iii) Is the matrix A diagonalizable? Explain your answer and verify the similarity transformation.
3x0+1x2 + ! 040-2 8] [3 11. The augmented matrix for the linear system of equations in the unknowns a, y, z has reduced row,echelon form given by 1401 0 01 -2 The general solution to this syste is (D) x = 1, y =-2, z = 0 (E) No solution 3x0+1x2 + ! 040-2 8] [3 11. The augmented matrix for the linear system of equations in the unknowns a, y, z has reduced row,echelon form given by 1401...
Describe the solutions of the first system of equations below in parametric vector form. Provide a geometric comparison with the solution set of the second system of equations below. 4x1 +4x2+8X3 = 16 - 12X1 - 12X2 - 24x3 = - 48 - 6x2 - 6x3 = 18 4x7 +4x2+8X3 = 0 - 12X1 - 12X2 - 24x3 = 0 - 6x2 - 6x3 = 0 X1 Describe the solution set, x = X2 of the first system of equations...