# Answer to Question #7743 in Matrix | Tensor Analysis for Timothy Scaping

Question #7743

1 A
... is a rectangular array of numbers that are enclosed within a bracket .

(A) horizontal

(B) set

(C) vertical

(D) matrix

2 Given a matrix 2 1 1 0 list the numbers of the first row .

(A) [1,0]

(B) [0,1]

(C) [2,1]

(D) [1,1]

3 Given a matrix 1 4 −3 3 0 1 4 −1 2 list the numbers of the first row .

(A) [4 0 -1]

(B) [1 3 4]

(C) [3 0 1]

(D) [4 0 2]

4 When the numbers of rows is equal to the numbers of columns equal to 'n'. Where m=n.Then is called ..

(A) a square matrix

(B) a column

(C) a row

(D) a matrix

5 Consider a 3x3 square matrix given as 2 0 0 0 2 0 0 0 1 . What is the element in a22

(A) 2

(B) 0

(C) 1

(D) 0,0

6 Let A be a nxn square matrix . A is a symmetric matrix if A equal to

(A) AT

(B) B

(C) C

(D) 4BT

7 Solve the following : a+b+37 = 6, 2a+2b-32 = 9, a+2b-62= -4.

(A) 12,-7,31

(B)12,7,-7

(C)10,5,9

(D)7,-5,21

8 How is the determinant of A written

(A) |A|

(B) [A]

(C) {A}

(D) A

(A) horizontal

(B) set

(C) vertical

(D) matrix

2 Given a matrix 2 1 1 0 list the numbers of the first row .

(A) [1,0]

(B) [0,1]

(C) [2,1]

(D) [1,1]

3 Given a matrix 1 4 −3 3 0 1 4 −1 2 list the numbers of the first row .

(A) [4 0 -1]

(B) [1 3 4]

(C) [3 0 1]

(D) [4 0 2]

4 When the numbers of rows is equal to the numbers of columns equal to 'n'. Where m=n.Then is called ..

(A) a square matrix

(B) a column

(C) a row

(D) a matrix

5 Consider a 3x3 square matrix given as 2 0 0 0 2 0 0 0 1 . What is the element in a22

(A) 2

(B) 0

(C) 1

(D) 0,0

6 Let A be a nxn square matrix . A is a symmetric matrix if A equal to

(A) AT

(B) B

(C) C

(D) 4BT

7 Solve the following : a+b+37 = 6, 2a+2b-32 = 9, a+2b-62= -4.

(A) 12,-7,31

(B)12,7,-7

(C)10,5,9

(D)7,-5,21

8 How is the determinant of A written

(A) |A|

(B) [A]

(C) {A}

(D) A

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