Form 4 Matrices Quizzes

The row matrix is:

• P

• Q

• R

• S

• T

Which matrix has an order of (2×1)?

• P

• Q

• R

• S

• T

The following matrix product is not defined:

• PQ

• PS

• QR

• ST

• RT

The order of product matrix RS will be:

• (1×3)

• (2×1)

• (2×3)

• (3×1)

• (1×2)

-10S is equal to:

• [3010−10 10010]

• [−3010−10 −100−10]

• [−30−1010 −100−10]

• [−30−10−10 −100−10]

• [−30−1010 −10−10−10]

P -1 is equal to:

• 1

• [10 01]

• [10 −12]

• [0.50 −0.51]

• [20 11]

The singular matrix is:

• J

• K

• L

• M

• N

The determinant of N is:

• [0.15−0.05 0.05−0.15]

• -55

• −1/73

• −1/55

• -73

Select the false statement.

• JK = KJ

• JK = J

• KJ = K

• J × J -1 = K

• KL = L

[11−4 −3−6] is the result of:

• M + N

• N - M

• M - N

• M × N

• N × M