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More on matrix addition and scalar multiplication | Linear Algebra | Khan Academy
By Khan Academy
More on Matrix Addition and Scalar Multiplication
Sums and scalar multiples of linear transformations | Linear Algebra | Khan Academy
By Khan Academy
Sums and Scalar Multiples of Linear Transformations. Definitions of matrix addition and scalar multiplication.
Example Problem - Multiplying Matrices with Different Dimensions
By Khan Academy
The instructor uses an electronic chalkboard to demonstrate Matrix Multiplication. At the time of this posting from WatchKnow, this video was a Featured Video on YouTube. The instructor, Sal Khan, continues from Part 1 on multiplying matrices. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.
Linear transformations as matrix vector products | Linear Algebra | Khan Academy
By Khan Academy
This video lecture series on Introduction to Linear Algebra from Khan Academy includes Introduction to Matrices, Matrix Multiplication, Inverse Matrix, Matrices to solve a system of equations, Matrices to Solve a Vector, Singular Matrices, 3-Variable Linear Equations.....
Factoring (Reverse Distributive Property)
By Jack Sheehy
Learn why factoring is called reverse distribution in this quick explanation of finding the common term and what is left behind.
Example 3: Factor a quartic binomial with two variables by taking a common factor | Khan Academy
By Khan Academy
Khan Academy presents Factor polynomials using the GCF, an educational video resource on math.
The Pythagorean theorem intro | Right triangles and trigonometry | Geometry | Khan Academy
By Khan Academy
Watch this video to review right triangles and the Pythagorean Theorem view an example of using the Pythagorean Theorem to find the length of a hypotenuse (the longest side of a right triangle) view an example of using the Pythagorean Theorem to find the length of a leg of a right triangle
Pre-Algebra 7 - Associative & Distributive Properties of Multiplication
By MyWhyU
A look at the logic behind the associative and distributive properties of multiplication.
Ex 2: Solve a System of Equations Using Substitution
By Mathispower4u
Ex 2: Solve a System of Equations Using Substitution
Domain and range of a function | Functions and their graphs | Algebra II | Khan Academy
By Khan Academy
Khan Academy presents Domain and Range of a Function, an educational video resource on math.