https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:inequalities-systems-graphs/x2f8bb11595b61c86:modeling-with-linear-inequalities/v/constructing-two-variable-linear-inequality-word-problem 2022-10-06T23:01:00.745424633Z Writing two-variable inequalities word problem Sal solves a word problem about scores in a chess tournament by creating a two-variable linear inequality. video https://cdn.kastatic.org/ka_thumbnails_cache/f7c720b0-fb1e-4f64-a32f-4c6148b27cd3_1280_720_base.png Writing two-variable inequalities word problem Sal solves a word problem about scores in a chess tournament by creating a two-variable linear inequality. https://cdn.kastatic.org/ka-youtube-converted/MHgi8ZQCG0I.mp4/MHgi8ZQCG0I.mp4 142 Linear Inequalities https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/v/testing-solutions-to-inequalities 2023-06-30T02:13:42.781179102Z Testing solutions to inequalities Inequalities are like puzzles where you compare two things. You can solve these puzzles by trying different numbers and seeing which ones make the puzzle true. Some numbers will work for one puzzle but not for another. It's all about finding the right fit! video https://cdn.kastatic.org/googleusercontent/k7UQgkbc4yrc4dGMT3zIECHMJ6hXoxpF4rmx874zqf57wtTO-HubiWbqqVWE9fsHnDaqJHgdnLpNLaqMf7tKW1Q Testing solutions to inequalities Inequalities are like puzzles where you compare two things. You can solve these puzzles by trying different numbers and seeing which ones make the puzzle true. Some numbers will work for one puzzle but not for another. It's all about finding the right fit! https://cdn.kastatic.org/ka-youtube-converted/Yh4TXMVq9eg.mp4/Yh4TXMVq9eg.mp4 310 Linear Inequalities https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-inequalities/v/one-step-inequalities-2 2021-06-21T15:29:13Z One-step inequalities: -5c ≤ 15 In addition to solving the inequality, we'll graph the solution. Remember to swap if you mutiply both sides of the inequality by a negative number. Sal Khan video https://cdn.kastatic.org/googleusercontent/nPJbcCblVh6md9GHQbWn6l8zUGTFO_gscTirWK-WZtYsrirMqB-3lLYbWeU1zMyQyIUJW-AlRiN_eNSRzn4cwqoALQ One-step inequalities: -5c ≤ 15 In addition to solving the inequality, we'll graph the solution. Remember to swap if you mutiply both sides of the inequality by a negative number. https://cdn.kastatic.org/ka-youtube-converted/D1cKk48kz-E.mp4/D1cKk48kz-E.mp4 174 Linear Inequalities https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/v/inequalities-on-a-number-line 2023-06-30T02:13:42.781179102Z Plotting an inequality example Drawing a number line helps visualize 'x is less than 4'. We mark 4 with a circle, not a dot, because 4 isn't included. Then, we color the line below 4, showing all values less than 4. Easy peasy, lemon squeezy Sal Khan video https://cdn.kastatic.org/googleusercontent/rLvwdkbmDrXHIkGyKynKqGZFiu81FQorbisiWw95y6ZKWkVbVXYRifa-P0ePcgQJT3V_J62-VI0AIn63aQICVaUu Plotting an inequality example Drawing a number line helps visualize 'x is less than 4'. We mark 4 with a circle, not a dot, because 4 isn't included. Then, we color the line below 4, showing all values less than 4. Easy peasy, lemon squeezy https://cdn.kastatic.org/ka-youtube-converted/dTwZ5N126gw.mp4/dTwZ5N126gw.mp4 94 Linear Inequalities https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/v/real-world-situations-with-inequalities 2026-04-05T06:04:50.366347815Z Inequalities word problems Inequalities are a handy tool for comparing values. For example, if Eric is shorter than Priti who is 158 cm tall, we write E < 158. If Sydney wears skirts when it's warmer than 25 degrees, we say T > 25. If Hayley finishes a race after Lola's 53 seconds, we write H > 53. video https://cdn.kastatic.org/googleusercontent/EHqBZvphWlUnT48qpFzTEr1TniLsnP9k-FcxlHlKwzpETMHmYInmOhJKjIDBexZdnQ5Ie0P1U3bYrE8RhcvwucIN Inequalities word problems Inequalities are a handy tool for comparing values. For example, if Eric is shorter than Priti who is 158 cm tall, we write E < 158. If Sydney wears skirts when it's warmer than 25 degrees, we say T > 25. If Hayley finishes a race after Lola's 53 seconds, we write H > 53. https://cdn.kastatic.org/ka-youtube-converted/VEIf5TfceAw.mp4/VEIf5TfceAw.mp4 176 Linear Inequalities https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-two-step-inequalities/v/writing-and-using-inequalities-3 2021-06-21T15:29:13Z Two-step inequality word problem: R&B Let's tackle this word problem together. We'll interpret the information and then construct a linear inequality to solve it. Sal Khan video https://cdn.kastatic.org/googleusercontent/fOPSgumlh92sjLcxk9v9w_1HFDp13IP5pIHEEEXevlCAXZTDp15J6eg-LCKZ2JRAbSPrRQ6quZv6pnmQEqOm9EY Two-step inequality word problem: R&B Let's tackle this word problem together. We'll interpret the information and then construct a linear inequality to solve it. https://cdn.kastatic.org/ka-youtube-converted/pbLiN8D9gAk.mp4/pbLiN8D9gAk.mp4 121 Linear Inequalities https://www.khanacademy.org/math/ka-revision-class-11-math/x64e5efbb29d87707:week-1-revision-ncert-class-11-math/x64e5efbb29d87707:linear-inequalities-revision-ncert-class-11-math/e/revision-linear-inequalities-ncert-class-11-math 2026-04-08T01:19:59.083532605Z Revision Linear Inequalities Practice Problems for revision of Linear Inequalities. Satya Swaroop exercise