Determine by inspection whether the vectors in Exercises 15-20 are linearly independent. Justify each answer.
17.
[
3
5
−
1
]
,
[
0
0
0
]
,
[
−
6
5
4
]
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Consider the statement
The set of vectors
-5
-3
-4
6
-5
0
-5
-4
2
-6
1
5
1
6
10
-10
26
-5
is linearly
independent.
a. Write an equivalent statement using a vector equation.
b. Explain why your statement is true or false.
Consider the statement
The set of vectors
-
4
3
-3
(1960
5
4
-3
-3
-4
5
5
2
4
is linearly
dependent.
a. Write an equivalent statement using a vector equation.
b. Explain why your statement is true or false.
Determine by inspection whether the vectors are linearly independent. Justify your answer.
10
20
-2
- 4
Choose the correct answer below.
O A. The set is linearly dependent because the first vector is a multiple of the other vector. The entries in the first
vector are - 5 times the corresponding entry in the second vector.
O B. The set is linearly independent because neither vector is a multiple of the other vector. Two of the entries in
the first vector are - 5 times the corresponding entry in the second vector. But this multiple does not work for
the third entries.
O C. The set is linearly independent because the first vector is a multiple of the other vector. The entries in the
first vector are - 5 times the corresponding entry in the second vector.
O D. The set is linearly dependent because neither vector is a multiple of the other vector. Two of the entries in
the first vector are - 5 times the corresponding entry in the second vector. But this multiple does not work for
the third…
Chapter 1 Solutions
Thomas' Calculus and Linear Algebra and Its Applications Package for the Georgia Institute of Technology, 1/e
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