Exam 4: Subspaces
Exam 1: Systems of Linear Equations57 Questions
Exam 2: Euclidean Space48 Questions
Exam 3: Matrices76 Questions
Exam 4: Subspaces60 Questions
Exam 5: Determinants48 Questions
Exam 6: Eigenvalues and Eigenvectors75 Questions
Exam 7: Vector Spaces45 Questions
Exam 8: Orthogonality75 Questions
Exam 9: Linear Transformations60 Questions
Exam 10: Inner Product Spaces45 Questions
Exam 11: Additional Topics and Applications75 Questions
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If B1, B2 are bases for a given subspace, and A is the change of basis matrix from B1 to B2, then A is invertible, and
is the change of basis matrix from B2 to B1.

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Find the change of basis matrix from the standard basis to B, and then convert x to the coordinate vector with respect to B. 

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If B1, B2, and B3 are all bases for a given subspace, A is the change of basis matrix from B1 to B2, and B is the change of basis matrix from B2 to B3, then the change of basis matrix from B1 to B3 is given by BA.
(True/False)
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Let
for the matrix A. Determine if the vector b is in the kernel of T and if the vector c is in the range of T. 


(Short Answer)
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By forming matrix rows, find a basis for the given subspace S and give the dimension of S, where


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By forming matrix columns, find a basis for the given subspace S and give the dimension of S, where


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By forming matrix rows, find a basis for the given subspace S and give the dimension of S, where


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Determine if S is a subspace of R2, where S is the subset consisting of all vectors
where
.


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Determine if S is a subspace of R, where S is the subset consisting of all vectors
where q is a rational number.

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Find bases for the column space of A, the row space of A, and the null space of A. 

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If T is an onto linear transformation from R3 to R5, and A is a matrix such that
, then
.


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If T is a one-to-one linear transformation from R3 to R5, and A is a matrix such that
, then
.


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If E is an
elementary matrix and A is an
matrix, then the subspace spanned by the rows of A is the same as the subspace spanned by the rows of EA.


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Determine if S is a subspace of R3, where S is the subset consisting of all vectors
where
.


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