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Worksheets

Vector Spaces

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The set { (1,-2,6), (5,-10,30) } is

a)

Linearly dependent

b)

Linearly independent

c)

Basis

d)

None of the above

2.

The subset { (1,-2), (2,9), (-4,3 } of   R2R^2  is 

a)

Linearly dependent  

b)

Linearly independent

c)

Basis

d)

None of the above

3.

If A is 4 ×\times  5 matrix and its rank is 2 then nullity of matrix A will be

a)

2

b)

5

c)

3

d)

1

4.

Dimension of set of 3 ×\times 3  matrices with real entries is

a)

6

b)

9

c)

3

d)

0

5.

If W is subspace of vector space v then

a)

dim W = dim V

b)

dim w << dim V

c)

dim w >> dim V

d)

dim w \le dim V

6.

The dimension of subspace W = { (x,y,z) / x+y+z = 0 } of  R^3  is

a)

1

b)

3

c)

2

d)

0

7.

If A is m ×\times n matrix then which of the following is correct

a)

Row rank (A) = Column rank (A)

b)

Row rank (A)  >>   Column rank (A)

c)

Row rank (A)  <<   Column rank (A)

d)

None of the above

8.

 If A is m  \times  n matrix then rank (A) + nullity (A) =

a)

mn

b)

m

c)

m + n

d)

n

9.

 Is the set { (4,5,3), (1,0,2), (0,0,0) } is basis of  R^3 

a)

Yes

b)

No 

c)

Can not be determined

d)

None of the above

10.

 The set {1, x,  x^2 } is  

a)

Linearly Independent

b)

Linearly Dependent

c)

Spans  P_2 

d)

1 and 3 both