Linear Algebra 2.1-2.3

Question 1

How do we do matrix addition?

Answer 1

Check 1# on the backside of pg.26

Question 2

How do we do scalar multiplication?

Answer 2

Check 2# on the backside of pg.26

Question 3

3# theorem? Hint: 6 things

Answer 3

Check 3# in the backside of pg.26

Question 4

4# formula?

Answer 4

Check 4# on the backside of pg.27

Question 5

5# rule?

Answer 5

Check 5# on the backside of pg.27

Question 6

6# properties? Hint: 5 things

Answer 6

Check 6# on the backside of pg.27

Question 7

7# and 9# identity matrix?

Answer 7

Check 7# on the backside of pg.27 and 9# on pg.28

Question 8

8# of things that do not hold. Hint: 3 things

Answer 8

Check 8# on the backside of pg.27

Question 9

10# properties? Hint: name 5 of the properties

Answer 9

Check 10# on the backside of pg.28

Question 10

11, 12, 13# notes? Hint: power of a matrix

Answer 10

Check 11#, 12# and 13# on pg. 29

Question 11

14# definition? Hint: inverse

Answer 11

Check 14# on pg. 29

Question 12

15# notes?

Answer 12

Check 15# on the backside of pg. 29

Question 13

16# notes? Hint: invertible

Answer 13

Check 16# on the backside of pg. 29

Question 14

17# theorems and proofs? hint: invertible

Answer 14

Check 17# on the backside of pg.29

Question 15

18# definition?

Answer 15

Check 18# on pg.30

Question 16

19# theorems and proofs?

Answer 16

Check 19# on pg. 30

Question 17

20# theorems and proofs?

Answer 17

Check 20# on the backside of pg.30

Question 18

21# facts?

Answer 18

Check 21# on the backside of pg.30

Question 19

22# theorem and proof?

Answer 19

Check 22# on pg.31

Question 20

23# algorithm for determining the inverse of matrix A?

Answer 20

Check 23# on pg.32

Question 21

24# theorems and proof strategies? 12 things

Answer 21

Check 24# theorems on pg.114 in textbooks

Question 22

25# theorem?

Answer 22

Check 25# theorem on the backside of pg.32

Question 23

26# theorem and proof?

Answer 23

Check 26# theorem on pg.116 in textbooks

Question 24

How do you do the transpose of matrix?

Answer 24

Check pg.101 in textbook