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161 free courses & lectures available for Algebra

Linear subspaces | Vectors and spaces | Linear Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.39 hours
Introduction to linear subspaces of Rn Watch the next lesson: ...
  
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Basis of a subspace | Vectors and spaces | Linear Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.32 hours
Understanding the definition of a basis of a subspace Watch the next lesson: ...
  
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Linear transformations | Matrix transformations | Linear Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.23 hours
Introduction to linear transformations Watch the next lesson: ...
  
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Surjective (onto) and injective (one-to-one) functions | Linear Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
Introduction to surjective and injective functions Watch the next lesson: ...
  
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Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Aca...

by Khan Academy on Youtube Youtube
Duration: 0.24 hours
What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: ...
  
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Change of basis matrix | Alternate coordinate systems (bases) | Linear Algebra | Khan A...

by Khan Academy on Youtube Youtube
Duration: 0.3 hours
Using a change of basis matrix to get us from one coordinate system to another. Watch the next lesson: ...
  
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Eigenvalues of a 3x3 matrix | Alternate coordinate systems (bases) | Linear Algebra | K...

by Khan Academy on Youtube Youtube
Duration: 0.24 hours
Determining the eigenvalues of a 3x3 matrix Watch the next lesson: ...
  
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Solving a more complicated equation | Linear equations | Algebra I | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.14 hours
This example demonstrates how we solve an equation expressed such: ax + b = c. It's a little more complicated than previous examples, but you can do it!
  
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Finding common denominators | Fractions | Pre-Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.08 hours
Finding Common Denominators Practice this lesson yourself on KhanAcademy.org right now: ...
  
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Domain and range of a function given a formula | Algebra II | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.14 hours
Domain and Range of a Function Given a Formula Practice this lesson yourself on KhanAcademy.org right now: ...
  
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