Math 205a,b - Linear Algebra Worksheet
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1MATH 205A,B - LINEAR ALGEBRA
FALL 2015
QUIZ 3
NAME:
Section:(Circle one)
A(8 : 00)
B(9 : 30)
Show ALL your work CAREFULLY.
Let
1
3
3
5
A =
.
1
7
(a) Solve the homogeneous equation Ax = 0.
(b) Based on your answer to (a), determine whether the columns of A are linearly independent?
Justify your answer.
3
(c) Do the columns of A span
? Explain.
Date: September 28, 2015.
1
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