Test: Matrices II - Ambitious

Double click on maths expressions to zoom
Question 1:   Find x and y : [ 2 3 4 5 ][ x 2 7 y ]=[ 23 5 13 7 ]
x=23,y=7
x=10.5,y=1 3 4
x=1,y=3
x=2,y=5
Question 2:   Find p and q : [ 3 5 4 1 ][ p 2 2 q ]=[ 7 31 6 3 ]
p=3,q=1
p=1,q=5
p=7,q=3
p=4,q=2
Question 3:   Find detA if A=[ 5 7 6 4 ]
| A |=62
| A |=22
| A |=20
| A |=17
Question 4:   Which of the matrices is singular?
D=[ 3 1 1 0 ]
B=[ 7 2 7 2 ]
A=[ 3 6 4 8 ]
C=[ 5 0 0 5 ]
Question 5:   Which of the following matrices is the transpose of B , if

B=[ 2 3 1 1 5 0 8 3 6 5 2 5 8 7 0 1 ] ?
B T =[ 2 5 6 8 3 0 5 7 1 8 2 0 1 3 5 1 ]
B T =[ 1 1 3 2 3 8 0 5 5 2 5 6 1 0 7 8 ]
B T =[ 8 7 0 1 6 5 2 5 5 0 8 3 2 3 1 1 ]
B T =[ 1 3 5 1 1 8 2 0 3 0 5 7 2 5 6 8 ]
Please note, you have solved only half of the test. For the complete test get a Must Have account. Get started