Quiz about Determinant of 2x2 Matrices

Question 1

What is the determinant of this matrix?

Accepted Answer

5

Answer

-5

Answer

0

Answer

-12

Question 2

What is the formula for the determinant of a 2x2 matrix?

Accepted Answer

ad-bc

Answer

ab-cd

Answer

ad+bc

Answer

(a+d)(b+c)

Question 3

What is the determinant of this matrix?

Accepted Answer

0

Answer

24

Answer

-24

Answer

-12

Question 4

Evaluate the determinant of the matrix.

Accepted Answer

-21

Answer

0

Answer

9

Answer

12

Question 5

Find det(A)

Accepted Answer

20

Answer

-20

Answer

60

Answer

-60

Question 6

Question 6.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 7

If the determinant of the matrix is 14, what is the value of x?

Accepted Answer

$$x=5$$

Answer

$$x=2$$

Answer

$$x=22$$

Answer

$$x=-5$$

Question 8

If the determinant of the matrix is -4, what is the value of x?

Accepted Answer

$$x=1$$

Accepted Answer

$$x=4$$

Answer

$$x=-4$$

Answer

$$x=-1$$

Answer

$$x=0$$

Question 9

What is the determinant of this matrix?

Accepted Answer

-2

Answer

2

Answer

10

Answer

24

Question 10

Calculate the determinant

Accepted Answer

10

Answer

0

Answer

-15

Answer

-70

Question 11

Find the determinant of the given matrix?

Accepted Answer

-5

Answer

5

Answer

0

Answer

-75

Question 12

Find the inverse of the matrix.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

No Inverse Exists

Question 13

What is A^-1?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Determinant of 2x2 Matrices

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