Math 205a,b - Linear Algebra Worksheets - 2013

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MATH 205A,B - LINEAR ALGEBRA
WINTER 2013
QUIZ 2
NAME:
Section:(Circle one)
A(1 : 10)
B(2 : 40)
Show ALL your work CAREFULLY.
Let
0
0
4
4
0
3
1
7
A =
and b =
.
2
8
5
13
(a) Write the vector equation corresponding to the matrix equation Ax = b.
(b) Does the matrix equation Ax = b have a solution? If yes, find one.
3
(c) Do the columns of A span
? Explain.
Date: January 18, 2013.
1

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