Free Printable Test matematic

1.

Pour faire un bricolage, Lisa utilise 10 bouts de corde et Léo en utilise 8. Combien ont-ils utilisé de bouts de corde en tout ?

a)

10-8=

b)

10+8=

c)

10+10=

d)

8+8=

2.

Find the determinant of the matrix

a)

A

b)

B

c)

C

d)

D

3.

Find the determinant of the matrix

ຈົ່ງຄິດດີເດແຕັກມີນັງ

a)

A

b)

B

c)

C

d)

D

4.

Find the inverse of the matrix

a)

A

b)

B

c)

C

d)

D

5.

Find the determinant of the matrix

a)

A

b)

B

c)

C

d)

D

6.

Find the inverse of the matrix

a)

A

b)

B

c)

C

d)

D

7.

Dimensions?

a)

a

b)

b

c)

c

d)

d

8.

Element Address?

a)

a

b)

b

c)

c

d)

d

9.

a)

17 12
25 18

b)

8 9
12 6

c)

6 6
7 5

d)

12 10
10 12

10.

a)

b)

c)

d)

11.

Multiply

a)

20 15 -10
30 -5 0

b)

-20 15 -10
30 -5 0

c)

1 8 3
11 4 5

d)

20 -15 10
-30 5 0

12.

Evaluate the determinant of the matrix.

a)

40

b)

30

c)

20

d)

10

13.

If A and B are invertible matrix then (AB)^-1 =

a)

A^-1B^-1

b)

AB

c)

B^-1A^-1

d)

none of these

14.

1. Let A be a square matrix of order 3x3 then| kA| = .

a)

k |A|

b)

k²|A|

c)

k³|A|

d)

3k|A|

15.

When you multiply a matrix by the identity matrix, you obtain the

a)

inverse matrix.

b)

transpose matrix.

c)

Identity matrix

d)

original matrix.

16.

If |A| = 0, then A is

a)

zero matrix

b)

singular matrix

c)

non-singular matrix

d)

Identity matrix

17.

Find the inverse of the matrix

a)

A

b)

B

c)

C

d)

D

18.

a)

5 -2
-3 1

b)

-5 2
3 -1

c)

-5 3
2 -1

d)

1 -3
-2 5

19.

Calculate the determinant

a)

0

b)

none

c)

-32

d)

-8

20.

a)

9a

b)

9

c)

18a

d)

18

21.

a)

-96

b)

96

c)

-3

d)

-12

22.

If the order of matrix A is m×p. And the order of B is p×n. Then the order of matrix AB is

a)

m × n

b)

n × p

c)

n × m

d)

m × p

Test matematic

Total questions: 22

Worksheet time: 1hrs 24mins

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