{"id":2001,"date":"2013-06-27T17:02:38","date_gmt":"2013-06-27T17:02:38","guid":{"rendered":"http:\/\/www.oracletutoring.ca\/blog\/?p=2001"},"modified":"2018-02-22T19:37:14","modified_gmt":"2018-02-22T19:37:14","slug":"math-more-about-logs","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/math-more-about-logs\/","title":{"rendered":"Math:  More about logs"},"content":{"rendered":"<h1>Understanding logs is critical to anyone who needs to pass math 12 precalculus.\u00a0\u00a0Your tutor will give you a new point of view about them.<\/h1>\n<p>Imagine you have this equation:<\/p>\n<p>3^x=46<\/p>\n<p>The solution is<\/p>\n<p>x=log46\/log3<\/p>\n<p>Now let&#8217;s evaluate the decimal using a calculator:<\/p>\n<p>log46\/log3=3.4850<\/p>\n<p>(We have rounded to four decimal places.)<\/p>\n<p>To verify that 3.4850 really is the solution, we can substitute it back in for x:<\/p>\n<p>3^3.4850=46.0010<\/p>\n<p>Close enough:)\u00a0 Usually, during calculations, four decimal places is sufficient. This is true not only for logarithms, but trig as well.<\/p>\n<p>With the pressure of final exams behind us, we will continue to provide light reading throughout the summer.\u00a0 We tutor all year:)<\/p>\n<p>Jack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Understanding logs is critical to anyone who needs to pass math 12 precalculus.\u00a0\u00a0Your tutor will give you a new point of view about them. Imagine you have this equation: 3^x=46 The solution is x=log46\/log3 Now let&#8217;s evaluate the decimal using &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/math-more-about-logs\/\"> <span class=\"screen-reader-text\">Math:  More about logs<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2001","post","type-post","status-publish","format-standard","hentry","category-math"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/2001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=2001"}],"version-history":[{"count":30,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/2001\/revisions"}],"predecessor-version":[{"id":30292,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/2001\/revisions\/30292"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=2001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=2001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=2001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}