Determinants Answers

Step 1: What is the first step?

Step 2: Find the products along the main diagonals.

⇒ 0

d1 + d2 + d3 - e1 - e2 - e3 =

e1 = e2 = e3 =

⇒ -4269

Use the calculator to complete the following conjectures about determinants.If any row of a matrix contains all zeroes, the determinant is equal to: ⇒ 0

If any two rows of a matrix are equal, the determinant of the matrix is: .

If any column of a matrix contains all zeroes, the determinant of the matrix is: ⇒ 0

Given the system:The determinant of the coefficient matrix is equal to:

The volume of the parallelepiped formed by vectors a, b, and c is:

⇒ 3

e1 = e2 = e3 =

e1 = e2 = e3 =

⇒ 1768

The determinant of an identity matrix is: .

This determinant means the system has

⇒ 647.36