https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:using-matrices-to-manipulate-data/v/using-matrices-to-manipulate-data-game-show 2022-10-07T00:22:18.752150461Z Using matrices to manipulate data: Game show In other videos, we saw how we can use matrices to represent real-world situations. Once we do that, we can also manipulate the matrices (using common matrix operations like addition, subtraction, and scalar multiplication) to reveal more information about the context. Here, we manipulate matrices that represent the possible prizes in a game show. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/7d5234e2-4fc2-45d7-a1f8-7718f729a1f8_1280_720_base.png Using matrices to manipulate data: Game show In other videos, we saw how we can use matrices to represent real-world situations. Once we do that, we can also manipulate the matrices (using common matrix operations like addition, subtraction, and scalar multiplication) to reveal more information about the context. Here, we manipulate matrices that represent the possible prizes in a game show. https://cdn.kastatic.org/ka-youtube-converted/NKG6DifB3OA.mp4/NKG6DifB3OA.mp4 216 Matrices as functions https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:using-matrices-to-manipulate-data/v/using-matrices-to-manipulate-data-pet-store 2022-10-07T00:22:18.752150461Z Using matrices to manipulate data: Pet store In other videos, we saw how we can use matrices to represent real-world situations. Once we do that, we can also manipulate the matrices (using common matrix operations like addition, subtraction, and scalar multiplication) to reveal more information about the context. Here, we manipulate matrices that represent the inventory of dog food in a pet store chain. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/bcde8ad7-80bc-4270-b602-feedfa124a7e_1280_720_base.png Using matrices to manipulate data: Pet store In other videos, we saw how we can use matrices to represent real-world situations. Once we do that, we can also manipulate the matrices (using common matrix operations like addition, subtraction, and scalar multiplication) to reveal more information about the context. Here, we manipulate matrices that represent the inventory of dog food in a pet store chain. https://cdn.kastatic.org/ka-youtube-converted/g-ljbR62EAQ.mp4/g-ljbR62EAQ.mp4 246 Matrices as functions https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:using-matrices-to-manipulate-data/e/use-matrices-to-manipulate-data 2026-05-05T18:10:50.367167117Z Use matrices to manipulate data Once you know how to model situations using matrices, you can start manipulating them to learn new things about those situations. exercise