Matrices
In mathematics, a matrix is a rectangular table of elements, which may be numbers or, more generally, any abstract quantities that can be added and multiplied.
Matrices are used to describe linear equations, keep track of the coefficients of linear transformations and to record data that depend on multiple parameters.
Matrices are described by the field of matrix theory. Matrices can be added, multiplied, and decomposed in various ways, which also makes them a key concept in the field of linear algebra.
The horizontal lines in a matrix are called rows and the vertical lines are called columns. A matrix with m rows and n columns is called an m-by-n matrix (written m × n) and m and n are called its dimensions.
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Determinant Of A Two By Two Matrix As A Quadratic Equation Video Clip
Finding The Determinant Of A Three By Three Matrix Using Expansion Of Minors Video Clip
Determinant Of A Two By Two Matrix As An Algebraic Equation Video Clip
Determinant of a Matrix Video Clip
Determinant of a Matrix
Video Clip Length: 2 minutes 27 seconds
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determinant, linear algebra, matrices
Minor of an Element in a Matrix Video Clip
Finding The Determinant Of A Three By Three Matrix Video Clip
Finding The Determinant Of A Three By Three Matrix 2 Video Clip
Finding The Determinant Of A Three By Three Matrix 3 Video Clip
Finding The Determinant Of A Two By Two Matrix 5 Video Clip
Finding The Determinant Of A Two By Two Matrix 3 Video Clip
Top Matrices Word Problems
Homework Help Questions
- Solve the following simultaneous equations using matrices:
2X-Y=3
X+5Y=7
- a box contains nickels, dimes and pennies worth $8.40. The number of dimes is six less than twice the number of pennies and there is an equal number of dimes and nickels. How many nickels are there in the box?
Post a homework question on matrices:
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I teach math to 9th grade -12th grade at a small city school in North Carolina. Knowing that each student in NC has to score levels 3 or 4 on the EOC Algebra 1 test to graduate, any real-life application type problems would be beneficial to the success of my students. Knowing also that matrces are heavily tested on the NC EOC test, this website appears that it would be helpful. Our textbooks do not offer many examples of matrices . Thank you.
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