{"title":"通过分解来解二次方程","authors":"J. Bird","doi":"10.1201/9780429294402-16","DOIUrl":null,"url":null,"abstract":"In fact, there are an infinite number of equations that have these same roots. The intercept form of a quadratic equation is y = a (x p) (x q) . In the equation, p and q represent the x-intercepts of the graph corresponding to the equation. The intercept form of the equation shown in the graph is y = 2 (x 1) (x + 2) . The x-intercepts of the graph are 1 and -2. The standard form of the equation is y = 2 x 2 + 2x 4.","PeriodicalId":154277,"journal":{"name":"Mathematics Pocket Book for Engineers and Scientists","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Solving quadratic equations by factorising\",\"authors\":\"J. Bird\",\"doi\":\"10.1201/9780429294402-16\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In fact, there are an infinite number of equations that have these same roots. The intercept form of a quadratic equation is y = a (x p) (x q) . In the equation, p and q represent the x-intercepts of the graph corresponding to the equation. The intercept form of the equation shown in the graph is y = 2 (x 1) (x + 2) . The x-intercepts of the graph are 1 and -2. The standard form of the equation is y = 2 x 2 + 2x 4.\",\"PeriodicalId\":154277,\"journal\":{\"name\":\"Mathematics Pocket Book for Engineers and Scientists\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-10-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Mathematics Pocket Book for Engineers and Scientists\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1201/9780429294402-16\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mathematics Pocket Book for Engineers and Scientists","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1201/9780429294402-16","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In fact, there are an infinite number of equations that have these same roots. The intercept form of a quadratic equation is y = a (x p) (x q) . In the equation, p and q represent the x-intercepts of the graph corresponding to the equation. The intercept form of the equation shown in the graph is y = 2 (x 1) (x + 2) . The x-intercepts of the graph are 1 and -2. The standard form of the equation is y = 2 x 2 + 2x 4.
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