Blog 9

Midterm II Preparation Materials

Midterm 2 : Overview

Topics: Beginning up to Midterm 2

1) System of Equations

2) Gaussian Elimination

3) Rank of a Matrix

4) Linear Combinations

5) Spans

6) Vector & Linear Independence

7) Basis & Dimensions

8) Subspaces

9) Matrix Algebra

10) Linear Transformations

11) Image

12) Kernel

13) Compositions

14) Rank-Nullity Theorem

15) Inverses

16) Coordinates

17) Coordinates for transformations

Extra Practice:

System of Equations

Exercise: https://www.math-exercises.com/matrices/system-of-equations-solved-by-matrices

Gaussian Elimination

Exercise:

(1) https://courses.lumenlearning.com/sanjacinto-finitemath1/chapter/2-5-exercisesaugmented-matrices/

(2) https://home.cc.umanitoba.ca/~thomas/Courses/RREF_Practice.pdf

Rank of a Matrix

https://www.math-exercises.com/matrices/rank-of-a-matrix

Solutions: Unique, Consistency, Inconsistency

Vector Addition

Linear Combinations

(1) https://onlinemschool.com/math/library/vector/linear-independence/

(2) https://www.math.colostate.edu/~aristoff//369_HW15.pdf

Vector & Linear Independence

https://onlinemschool.com/math/practice/vector2/multiply/

https://onlinemschool.com/math/practice/vector3/multiply1/

Matrix Algebra

(1) https://www.shmoop.com/matrices/adding-subtracting-exercises.html

(2) https://www.shmoop.com/matrices/multiplying-matrix-exercises.html

Linear Transformations

https://yutsumura.com/tag/linear-transformation/

Image & Kernel

https://www.proprep.com/courses/all/linear-algebra-and-its-applications/lineartransformations/image-and-kernel/vid10200/#10200

Inverses

https://yutsumura.com/linear-algebra/inverse-matrices/

Written on November 9, 2021