1. Which of the following vectors is not a linear combination of and 3 1) |3)| [:] [:] 2) '4) 5) all of them

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1.
Which of the following vectors is not a linear combination of
and
1» [ ]
3
2):
3) [2]
'4)
5)
all of them
2.
Suppose A is an m x n matrix, x ɛ R" and Ax = b. Then b is in
1) R" | 2) R*T 3) R™†ªT4) R*n
3.
Consider the statements below.
(I)
For each b in R" the equation Ax = b has a solution.
(II)
Each b in R" is a linear combination of the columns of A.
(III)
The columns of A span Rm.
(IV)
A has a pivot in each row.
Which one of the four statements is not equivalent to the others?
( 1) I] 2) II| 3) I | 4) IV
Transcribed Image Text:1. Which of the following vectors is not a linear combination of and 1» [ ] 3 2): 3) [2] '4) 5) all of them 2. Suppose A is an m x n matrix, x ɛ R" and Ax = b. Then b is in 1) R" | 2) R*T 3) R™†ªT4) R*n 3. Consider the statements below. (I) For each b in R" the equation Ax = b has a solution. (II) Each b in R" is a linear combination of the columns of A. (III) The columns of A span Rm. (IV) A has a pivot in each row. Which one of the four statements is not equivalent to the others? ( 1) I] 2) II| 3) I | 4) IV
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