Level 416 Level 418
Level 417

Matrices & Determinants


5 words 0 ignored

Ready to learn       Ready to review

Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

Ignore?
What is the definition of a matrix?
An m x n matrix is a rectangular array of numbers with m rows and n columns
What do we mean when we say that the matrix has dimension m x n ?
The numbers a₂₂ are the entries of the matrix. The subscript on the entry indicates the row and column.
What is the augmented matrix?
The coefficients and constants that appear in a system of linear equations.
What is a leading entry?
The first nonzero number in a matrix
What is a coefficient Matrix?
A coefficient matrix is simply a matrix of the coefficients of a system of equations