Practising and Applying Y. a) Which pairs of different matrices can be multiplied and in what order? 2 0 A = 2 1 3 B = 0 4 1 3 201 1 0 C =0 1 1 D = 3 0 2 01 0 2 b) Multiply all possible pairs of matrices from part a).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.2: Mathematical Induction
Problem 30E
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N O
1.
2021.05.04 20:38
Practising and Applying
Y. a) Which pairs of different matrices
can be multiplied and in what order?
6. a) Why does the order mat
you multiply these matric
2 0
4.
A =
3
2 1 3
B =
B =
4 1
A =
0-1
2 01
1 0
b) Create two 2 x 2 matrice:
Is A x B equal to B x A? Try
pair. Explain.
C =0 1 1
D =3 0
201
0 2
b) Multiply all possible pairs of matrices
from part a).
7. In a sports tournament,
2 points for a win, 1 for a ti
loss. Matrix A describes th
wins, ties, and losses for.f
WTL
11
7. Suppose you multiplied two matrices
and the product matrix was 4 by 2.
a) What size matrices might you have
multiplied?
b) How do you know you are correct?
9.
422
A = 3 5 0
3, a) Draw a hexagon on a coordinate
grid. Create matrix B for its coordinates.
3 05
1 25
-1 0
b) A =
Multiply A x B.
a) What matrix would yo
calculate the total points
this Matrix B.
c) Plot the new coordinates.
d) What happened to the shape?
b) Would you calculote
Why?
Dorji has these notes:
Type of Nu note Number of notes
8. Describe a situaon
50
10
a) when you miga gut
by a scalar
b) when you mig nu
100
20
500
Calculate the total value of his notes by matrices
multiplying two matrices.
9. Suppose you ultip
Transcribed Image Text:N O 1. 2021.05.04 20:38 Practising and Applying Y. a) Which pairs of different matrices can be multiplied and in what order? 6. a) Why does the order mat you multiply these matric 2 0 4. A = 3 2 1 3 B = B = 4 1 A = 0-1 2 01 1 0 b) Create two 2 x 2 matrice: Is A x B equal to B x A? Try pair. Explain. C =0 1 1 D =3 0 201 0 2 b) Multiply all possible pairs of matrices from part a). 7. In a sports tournament, 2 points for a win, 1 for a ti loss. Matrix A describes th wins, ties, and losses for.f WTL 11 7. Suppose you multiplied two matrices and the product matrix was 4 by 2. a) What size matrices might you have multiplied? b) How do you know you are correct? 9. 422 A = 3 5 0 3, a) Draw a hexagon on a coordinate grid. Create matrix B for its coordinates. 3 05 1 25 -1 0 b) A = Multiply A x B. a) What matrix would yo calculate the total points this Matrix B. c) Plot the new coordinates. d) What happened to the shape? b) Would you calculote Why? Dorji has these notes: Type of Nu note Number of notes 8. Describe a situaon 50 10 a) when you miga gut by a scalar b) when you mig nu 100 20 500 Calculate the total value of his notes by matrices multiplying two matrices. 9. Suppose you ultip
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