https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/application-problem-with-graph 2021-06-30T18:10:08Z Linear function example: spending money Sal solves an interesting application problem using a linear model. Sal Khan video https://cdn.kastatic.org/googleusercontent/N7JFfH1g-3yskAzS6tV48mRG4Z7rtWdlioieZ8pE5NTpX5JebiMh_pqh3JeA7J-rRYK8lWs0T19KL1DjOpUZq0li Linear function example: spending money Sal solves an interesting application problem using a linear model. https://cdn.kastatic.org/ka-youtube-converted/ljROszF_rqs.mp4/ljROszF_rqs.mp4 322 Modelos lineales https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/e/constructing-and-interpreting-linear-functions 2025-10-14T21:00:52.321273469Z Linear models word problems Solve general word problems about real-world relationships that can be modeled by linear equations or functions. Tomer Gal exercise https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/fitting-a-line-to-data 2021-06-30T18:10:16Z Fitting a line to data Sal creates a scatter plot and then fits a line to data on the median California family income. Sal Khan video https://cdn.kastatic.org/googleusercontent/umfhrVAa5_2sNFz-spX-mvqiT_ydf6-8lye5ZyaEx4tkKfdT2mqBdvrZcdcBYy5mNjo_aq5LgnT0k87oYEOR5P-RBA Fitting a line to data Sal creates a scatter plot and then fits a line to data on the median California family income. https://cdn.kastatic.org/ka-youtube-converted/OhUkMQtBGmE.mp4/OhUkMQtBGmE.mp4 468 Modelos lineales https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/constructing-linear-models-real-world/v/word-problem-solving-4 2021-06-30T18:10:16Z Modeling with linear equations: gym membership & lemonade Constructing linear equations to solve word problems Sal Khan video https://cdn.kastatic.org/googleusercontent/nf0UFZIWb8_o7q4OlWQ-E_6CtY5MuR_xHlySJ9Ji6Cq_L1ZxNag-5n0QZvUvYFIh94UJzFa19Y19U-y-Io7ehIGn Modeling with linear equations: gym membership & lemonade Constructing linear equations to solve word problems https://cdn.kastatic.org/ka-youtube-converted/5EdbPz1ZVn0.mp4/5EdbPz1ZVn0.mp4 605 Modelos lineales https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/constructing-linear-models-real-world/v/constructing-linear-functions-2 2021-06-30T18:10:12Z Linear functions word problem: paint Sal is given a verbal description of a real-world relationship involving a person painting his room, and is asked to find the formula of the function that represents this relationship. video https://cdn.kastatic.org/googleusercontent/6-ejQ_ooxgIKmMAISok3zgyxV7FqvnPctKchKhpnRx8uLzd95DY3Cz7YhTk5xL40AemIOEHg_cOLetyMorkoKH5E Linear functions word problem: paint Sal is given a verbal description of a real-world relationship involving a person painting his room, and is asked to find the formula of the function that represents this relationship. https://cdn.kastatic.org/ka-youtube-converted/5c9N_1PEfHw.mp4/5c9N_1PEfHw.mp4 503 Modelos lineales https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/constructing-linear-models-real-world/e/writing-linear-functions-word-problems 2026-02-11T16:21:54.734712501Z Writing linear functions word problems Find a linear function that represents a real-world relationship that is given verbally. Lindsay exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:recognizing-functions/v/recognizing-functions-example-1 2021-06-30T18:10:16Z Recognizing functions from verbal description Checking whether y can be described as a function of x if y is always three more than twice x. Sal Khan video https://cdn.kastatic.org/googleusercontent/aRfIiXKEjcYTxDF_9uXXqWJo5ytGOj6AU-X5PptiFL06paZ1fCWDHz8AGyhQCzWwWNa6yi3O-RRK-yehowuUoJPQHw Recognizing functions from verbal description Checking whether y can be described as a function of x if y is always three more than twice x. https://cdn.kastatic.org/ka-youtube-converted/tBRW-CyJE6k.mp4/tBRW-CyJE6k.mp4 91 Modelos lineales