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# Unit 2: Module 2: Vectors and matrices

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## About this unit

"Module 2 extends the concept of matrices introduced in Module 1. Students look at incidence relationships in networks and encode information about them via high-dimensional matrices. Matrix properties are studied as well as the role of the zero and identity matrices. Students then use matrices to study and solve higher order systems of equations. Vectors are introduced, and students study the arithmetic of vectors and vector magnitude. The module ends as students program video games using matrices and vectors." Eureka Math/EngageNY (c) 2015 GreatMinds.org### Learn

### Practice

- Use matrices to represent dataGet 3 of 4 questions to level up!
- Use matrices to manipulate dataGet 3 of 4 questions to level up!

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### Practice

- Represent linear systems with matricesGet 3 of 4 questions to level up!
- Use matrices to represent systems of equationsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

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### Practice

- Vectors introGet 3 of 4 questions to level up!
- Magnitude of vectorsGet 3 of 4 questions to level up!
- Scalar multiplicationGet 3 of 4 questions to level up!
- Add vectorsGet 3 of 4 questions to level up!

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### Practice

- Components of vectors from endpointsGet 3 of 4 questions to level up!
- Subtract vectorsGet 3 of 4 questions to level up!
- Combined vector operationsGet 3 of 4 questions to level up!

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### Practice

- Direction of vectorsGet 3 of 4 questions to level up!
- Vector components from magnitude & directionGet 3 of 4 questions to level up!
- Add vectors: magnitude & direction to componentGet 3 of 4 questions to level up!
- Add vectors: magnitude & directionGet 3 of 4 questions to level up!

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- 2D rendering intuitionGet 5 of 7 questions to level up!
- Parametric ray intuitionGet 5 of 7 questions to level up!
- Solve for tGet 5 of 7 questions to level up!
- Ray intersection with lineGet 5 of 7 questions to level up!
- Ray intersection with planeGet 5 of 7 questions to level up!

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Level up on all the skills in this unit and collect up to 2100 Mastery points!