{"id":167,"date":"2020-04-19T19:46:31","date_gmt":"2020-04-19T23:46:31","guid":{"rendered":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/?p=167"},"modified":"2020-04-19T19:46:31","modified_gmt":"2020-04-19T23:46:31","slug":"singapore-math-8th-online-class-lesson-24-04-19-2020","status":"publish","type":"post","link":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/2020\/04\/19\/singapore-math-8th-online-class-lesson-24-04-19-2020\/","title":{"rendered":"Singapore Math 8th Online Class, Lesson 24, 04\/19\/2020"},"content":{"rendered":"\n<p>Today, students studied another two methods to solve quadratic equations, &#8220;completing the square&#8221; and &#8220;quadratic formula&#8221;. In fact, quadratic formula is derived in solving standard quadratic equation, ax^2+bx+c=0, by using &#8220;completing the square&#8221;. Both methods are so powerful that all quadratic equations can be solved through them. Completing the square is a method that is not only used in solving quadratic equation, but many places that need to form a perfect square.<\/p>\n\n\n\n<p>Here is today&#8217;s homework:<br>Workbook 8B<br>Ch.14,<br>1, 2(a)(b)(f)(g), 3, 5.(b)(d)(f)(h), 11.(a)(c)(e)(h), 12.(a)(c)(g),13.(a), 14.(a)(e)(g).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today, students studied another two methods to solve quadratic equations, &#8220;completing the square&#8221; and &#8220;quadratic formula&#8221;. In fact, quadratic formula is derived in solving standard quadratic equation, ax^2+bx+c=0, by using &#8220;completing the square&#8221;. Both methods are so powerful that all &hellip; <a href=\"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/2020\/04\/19\/singapore-math-8th-online-class-lesson-24-04-19-2020\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/posts\/167"}],"collection":[{"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/users\/80"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/comments?post=167"}],"version-history":[{"count":1,"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/posts\/167\/revisions"}],"predecessor-version":[{"id":168,"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/posts\/167\/revisions\/168"}],"wp:attachment":[{"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/media?parent=167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/categories?post=167"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/zhaoyibing\/wp-json\/wp\/v2\/tags?post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}