logging in or signing up compound inequalities Scanson Download Post to : URL : Related Presentations : Let's Connect Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 104 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: December 12, 2012 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Compound Inequalities: Compound Inequalities Algebra - IReview: Review Steps in solving an inequality are the same as solving an equation: 1 . Get on one level (if negative, flip sign for inequalities) 2. Get rid of groupings – use the distributive property 3. Combine like terms – including constants 4. Get variables on the same side 5. Get rid of addition and subtraction by using inverse operation 6. Get rid of multiplication and division by using inverse operation **If you multiply or divide by a negative on both sides, then you must flip the inequality sign.** 7. Get rid of exponentsCompound Inequalities: Compound Inequalities Compound inequalities are inequalities which contain “and” or ”or” Ex. x ≥ -5 and x ≤ 7 can also be written as -5 ≤ x ≤ 7 Ex. Numbers that are at least -2 and at most 4 can also be written -2 ≤ x ≤ 4 Ex. All real numbers that are less than -3 or greater than 7 x < -3 or x > 7Compound Inequalities: Compound Inequalities To solve an “and” compound inequality – split it into two separate problems -4 < x – 5 ≤ - 1 -4 < x-5 and x-5 ≤ - 1 +5 +5 1 < x and +5 +5 x ≤ 4 1 < x ≤ 4Compound Inequalities: Compound Inequalities Solve an “or” compound inequality by solving each inequality separately . 4x + 3 < -5 OR -2x + 7 < 1 -3 -3 - 7 -7 4x < -8 -2x < -6 4 4 -2 -2 x < -2 OR x > 3 Therefore, the numbers smaller than -2 or larger than 3 solve this inequality. You can choose a number and test it out.Watch the video linked below: Watch the video linked below Click on the link below to see further discussion http://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/inequalities/v/compound- inequalities Please copy the examples given in the videos into your notesPractice: Practice http://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/inequalities/e/ compound_inequalities Complete the practice questions. Please link to me as your coach if you have signed up for a Khan academy account. My coach ID is scanson114@ gmail.com .Further reference material: Further reference material For more information or examples on this topic please see: Textbook p. 226-230 http://www.coolmath.com/algebra/07-solving-inequalities/06-compound-inequalities-01. htm http://www.sparknotes.com/math/algebra1/compoundinequalities/section4. rhtml http://www.math-videos-online.com/solve-compound- inequality.html Please write down any specific questions you have so we can discuss them in class!! You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.