1. Is the following set of vectors in R³ linearly dependent: {(1,0,3), (2, 1, –2), (0, – 1,8), (7,2, 3)}? Give the dimension of the subspace spanned by the vectors.

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Chapter4: Vector Spaces
Section4.6: Rank Of A Matrix And Systems Of Linear Equations
Problem 67E: Let A be an mn matrix where mn whose rank is r. a What is the largest value r can be? b How many...
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1. Is the following set of vectors in R³ linearly dependent:
{(1,0,3), (2, 1, –2), (0, – 1, 8), (7, 2, 3)}?
Give the dimension of the subspace spanned by the vectors.
2. Determine all real numbers x € R for which the vectors (x, 0, 1), (2, x, 3), and (4, 5, 6) are
linearly independent.
3. Find the set of vectors in R³ which are orthogonal to both (4, 2,0) and (3, 6, 9).
4. Use properties of matrix algebra (Notes 8) to help evaluate the following:
-2
[o 3
(a)
7
(b)
5. Use a sequence of elementary row operations to calculate the inverse of the following
matrix:
ГО 1 01
A =
1
2 3
2 0
1
6. Using the previous result, solve the system of equations
2x + z = 2
y = 8
x + 2y + 3z = 4
Transcribed Image Text:1. Is the following set of vectors in R³ linearly dependent: {(1,0,3), (2, 1, –2), (0, – 1, 8), (7, 2, 3)}? Give the dimension of the subspace spanned by the vectors. 2. Determine all real numbers x € R for which the vectors (x, 0, 1), (2, x, 3), and (4, 5, 6) are linearly independent. 3. Find the set of vectors in R³ which are orthogonal to both (4, 2,0) and (3, 6, 9). 4. Use properties of matrix algebra (Notes 8) to help evaluate the following: -2 [o 3 (a) 7 (b) 5. Use a sequence of elementary row operations to calculate the inverse of the following matrix: ГО 1 01 A = 1 2 3 2 0 1 6. Using the previous result, solve the system of equations 2x + z = 2 y = 8 x + 2y + 3z = 4
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