Linear Algebra Exam Problems, Exams of Linear Algebra

Three exam problems related to Linear Algebra, specifically matrix multiplication, solving systems of equations, and finding the intersection of affine subspaces. The problems involve working with matrices and vectors in R4 and require knowledge of linear algebra concepts such as matrix multiplication, row reduction, and affine subspaces.

Typology: Exams

2021/2022

Uploaded on 05/11/2023

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F15 Exam 1 Problem 1
Linear Algebra, Dave Bayer
[Reserved for Score]
Name Uni
[1]Solve the following system of equations.
01123
11235
12358
v
w
x
y
z
=
2
4
6
v
w
x
y
z
=
pf3
pf4
pf5

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Linear Algebra, Dave Bayer

Name Uni

[ 1 ] Solve the following system of equations.

v

w

x

y

z

v

w

x

y

z

Linear Algebra, Dave Bayer

[ 2 ] Using matrix multiplication, count the number of paths of length ten from x to z.

w x y z

number of paths =

Linear Algebra, Dave Bayer

[ 4 ] Find all 2 × 2 matrices A such that

A

[

]

[

]

A =

 (^) s +

 (^) t

Linear Algebra, Dave Bayer

[ 5 ] Find the intersection of the following two affine subspaces of R

4

w

x

y

z

r

s

t

w

x

y

z

u

w

x

y

z