Unit Test Answers

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Step 1: What is the first step?

Add the values in each row and each column.

Find the largest element in the matrix.

Augment the matrix by copying columns 1 and 2 to the right of the matrix.

Subtract the product along the minor diagonal from the product along the major diagonal.

Question text not available

matrix

determinant

both

Which of the following describes a determinant?

a group of numbers arranged in rows and columns

a single value calculated from the elements of a matrix

the difference of the product of the main and minor diagonals of a 2 x 2 matrix

the numbers under the square root symbol in the quadratic formula

Is B a matrix or determinant?

matrix

determinant

both

What is the correct formula for the value of the determinant? ab - cdab + cdad - cbad + cb

ab - cd

ab + cd

ad - cb

ad + cb

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

12 u

32 u

84 u

132 u

This determinant means the system has

no unique solution

one unique solution

infinite solutions

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