Matrices Test

Result

Matrices Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Find the values of x and y that satisfy the following condition.

A
x = 2, y = 2

B
x = 4, y = 2

C
x = 1, y = 2

D
x = 3, y = 3

E
x = 2, y = 4
Question 2
1 / -0

Given A = and B =
Find AB - A².

A

B

C

D
Question 3
1 / -0

If A = , find the value of A² - 2A.

A
Unit matrix

B
Negative of unit matrix

C
Zero matrix

D
Two times the unit matrix

E
Eight times the unit matrix
Question 4
1 / -0

For a matrix A, both A + A and A x A are defined. Then, the matrix should be a__________.

A
square matrix

B
rectangular matrix

C
row matrix

D
column matrix

E
zero matrix
Question 5
1 / -0

If A = and B = ; find (A + B)²

A

B

C

D
Question 6
1 / -0

If ; find
(i) the order y matrix M.
(ii) the matrix M

A

B

C

D
Question 7
1 / -0

For two matrices A and B, both AB and BA are defined. If the order of A is m x n, the order of B is

A
m x m

B
m x n

C
n x m

D
n x n

E
n x 1
Question 8
1 / -0

Given , find the matrix X.

A

B

C

D
Question 9
1 / -0

If A = find A² - B - C.

A

B

C

D
Question 10
1 / -0

Evaluate :

A

B

C

D
Question 11
1 / -0

Given A = , B = C = find A² + AB + C²

A

B

C

D
Question 12
1 / -0

Given A = and B =
Find AB - A².

A

B

C

D
Question 13
1 / -0

If A = , find A² - B

A

B

C

D
Question 14
1 / -0

If A = and B = , evaluate A² - B².

A

B

C

D
Question 15
1 / -0

If A = and I = find A² - 4A + 5I

A

B

C

D