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Introduction to Matrices
Use B=
-8
19
5
4+y]
3x
2
1. State the dimensions of B.
2. Find the value of ba2.
3. Find the value of ba.
4. State the address of the entry -8.
to answer the following:
SUBS The figure at the right shows the prices of small, medium, and large subs.
5a) Organize the data in a matrix labeled A.
$5.50
54.00
$6.50
$3.75 $6.00
Fore $3,25 $5.00
59.00
51.75
5b) What are the dimensions of the matrix?
5b) What is the value of a21?
6) State the dimensions of each matrix.
B) [2 5]
C)
1
-2
5
D) [2]
E)
2 9
17 21

Sagot :

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