Determinants

Question 1

Given the system , which is true?

Revolt · Accepted Answer

The system has exactly one solution.

Question 2

What is the area of a parallelogram formed by = and = ?

Revolt · Accepted Answer

16 square units

Question 3

What is the determinant of ?

Revolt · Accepted Answer

–14

Question 4

Which expression represents the determinant of ?

Revolt · Accepted Answer

det(A) = (–3)(–6) – (1)(6)

Question 5

What is the determinant of the coefficient matrix of the system ?

Revolt · Accepted Answer

130

Question 6

What is the determinant of ?

Revolt · Accepted Answer

18

Question 7

What is the determinant of ?

Revolt · Accepted Answer

–51

Question 8

What is the determinant of the coefficient matrix of the system ?

Revolt · Accepted Answer

0

Question 9

Which expression represents the determinant of ?

Revolt · Accepted Answer

det(A) = (2)(9) – (1)(3)

Question 10

What is the determinant of the coefficient matrix of the system ?

Revolt · Accepted Answer

0

Determinants Answers