{"id":1215,"date":"2019-06-05T16:49:38","date_gmt":"2019-06-05T20:49:38","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/?post_type=back-matter&p=1215"},"modified":"2019-12-16T11:42:11","modified_gmt":"2019-12-16T16:42:11","slug":"answer-key-2-2","status":"publish","type":"back-matter","link":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/back-matter\/answer-key-2-2\/","title":{"raw":"Answer Key 2.2","rendered":"Answer Key 2.2"},"content":{"raw":"[latexpage]\r\n
    \r\n \t
  1. \\(\\begin{array}{rrrrl}\r\n\\\\ \\\\ \\\\ \\\\\r\n5&+&\\dfrac{n}{4}&=&\\phantom{-}4 \\\\\r\n-5&&&&-5 \\\\\r\n\\midrule\r\n&&4 \\left(\\dfrac{n}{4}\\right)&=&(-1)4 \\\\ \\\\\r\n&&n&=&-4\r\n\\end{array}\\)<\/li>\r\n \t
  2. \\(\\begin{array}{rrlrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-2&=&-2m&+&12 \\\\\r\n-12&&&-&12 \\\\\r\n\\midrule\r\n\\dfrac{-14}{-2}&=&\\dfrac{-2m}{-2}&& \\\\ \\\\\r\nm&=&7&&\r\n\\end{array}\\)<\/li>\r\n \t
  3. \\(\\begin{array}{rrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n102&=&-7r&+&4 \\\\\r\n-4&&&-&4 \\\\\r\n\\midrule\r\n\\dfrac{98}{-7}&=&\\dfrac{-7r}{-7}&& \\\\ \\\\\r\nr&=&-14&&\r\n\\end{array}\\)<\/li>\r\n \t
  4. \\(\\begin{array}{rrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n27&=&21&-&3x \\\\\r\n-21&&-21&& \\\\\r\n\\midrule\r\n\\dfrac{6}{-3}&=&\\dfrac{-3x}{-3}&& \\\\ \\\\\r\nx&=&-2&&\r\n\\end{array}\\)<\/li>\r\n \t
  5. \\(\\begin{array}{rrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-8n&+&3&=&-77 \\\\\r\n&-&3&&-3 \\\\\r\n\\midrule\r\n&&\\dfrac{-8n}{-8}&=&\\dfrac{-80}{-8} \\\\ \\\\\r\n&&n&=&10\r\n\\end{array}\\)<\/li>\r\n \t
  6. \\(\\begin{array}{rrrrl}\r\n\\\\ \\\\ \\\\\r\n-4&-&b&=&\\phantom{+}8 \\\\\r\n+4&&&&+4 \\\\\r\n\\midrule\r\n&&(-b&=&\\phantom{-}12)(-1) \\\\\r\n&&b&=&-12\r\n\\end{array}\\)<\/li>\r\n \t
  7. \\(\\begin{array}{rrl}\r\n\\\\ \\\\ \\\\\r\n\\dfrac{0}{-6}&=&\\dfrac{-6v}{-6} \\\\ \\\\\r\nv&=&0\r\n\\end{array}\\)<\/li>\r\n \t
  8. \\(\\begin{array}{rrcrl}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-2&+&\\dfrac{x}{2}&=&\\phantom{+}4 \\\\\r\n+2&&&&+2 \\\\\r\n\\midrule\r\n&&2\\left(\\dfrac{x}{2}\\right)&=&\\phantom{+}(6)2 \\\\ \\\\\r\n&&x&=&12\r\n\\end{array}\\)<\/li>\r\n \t
  9. \\(\\begin{array}{rrcrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-8&=&\\dfrac{x}{5}&-&6 \\\\\r\n+6&&&+&6 \\\\\r\n\\midrule\r\n5(-2)&=&\\left(\\dfrac{x}{5}\\right) 5&& \\\\ \\\\\r\nx&=&-10&&\r\n\\end{array}\\)<\/li>\r\n \t
  10. \\(\\begin{array}{rrcrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-5&=&\\dfrac{a}{4}&-&1 \\\\\r\n+1&&&+&1 \\\\\r\n\\midrule\r\n4(-4)&=&\\left(\\dfrac{a}{4}\\right) 4&& \\\\ \\\\\r\na&=&-16&&\r\n\\end{array}\\)<\/li>\r\n \t
  11. \\(\\begin{array}{rrcrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n0&=&-7&+&\\dfrac{k}{2} \\\\\r\n+7&&+7&& \\\\\r\n\\midrule\r\n2(7)&=&\\left(\\dfrac{k}{2}\\right)2&& \\\\ \\\\\r\nk&=&14&&\r\n\\end{array}\\)<\/li>\r\n \t
  12. \\(\\begin{array}{rrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-6&=&15&+&3p \\\\\r\n-15&&-15&& \\\\\r\n\\midrule\r\n\\dfrac{-21}{3}&=&\\dfrac{3p}{3}&& \\\\ \\\\\r\np&=&-7&&\r\n\\end{array}\\)<\/li>\r\n \t
  13. \\(\\begin{array}{rrrrl}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-12&+&3x&=&\\phantom{+1}0 \\\\\r\n+12&&&&+12 \\\\\r\n\\midrule\r\n&&\\dfrac{3x}{3}&=&\\dfrac{12}{3} \\\\ \\\\\r\n&&x&=&4\r\n\\end{array}\\)<\/li>\r\n \t
  14. \\(\\begin{array}{rrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-5m&+&2&=&27 \\\\\r\n&-&2&&-2 \\\\\r\n\\midrule\r\n&&\\dfrac{-5m}{-5}&=&\\dfrac{25}{-5} \\\\ \\\\\r\n&&m&=&-5\r\n\\end{array}\\)<\/li>\r\n<\/ol>","rendered":"
      \n
    1. \"\begin{array}{rrrrl}<\/li>\n
    2. \"\begin{array}{rrlrr}<\/li>\n
    3. \"\begin{array}{rrrrr}<\/li>\n
    4. \"\begin{array}{rrrrr}<\/li>\n
    5. \"\begin{array}{rrrrr}<\/li>\n
    6. \"\begin{array}{rrrrl}<\/li>\n
    7. \"\begin{array}{rrl}<\/li>\n
    8. \"\begin{array}{rrcrl}<\/li>\n
    9. \"\begin{array}{rrcrr}<\/li>\n
    10. \"\begin{array}{rrcrr}<\/li>\n
    11. \"\begin{array}{rrcrr}<\/li>\n
    12. \"\begin{array}{rrrrr}<\/li>\n
    13. \"\begin{array}{rrrrl}<\/li>\n
    14. \"\begin{array}{rrrrr}<\/li>\n<\/ol>\n","protected":false},"author":14,"menu_order":11,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"back-matter-type":[],"contributor":[],"license":[],"class_list":["post-1215","back-matter","type-back-matter","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/types\/back-matter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/users\/14"}],"version-history":[{"count":14,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1215\/revisions"}],"predecessor-version":[{"id":2301,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1215\/revisions\/2301"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1215\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/media?parent=1215"}],"wp:term":[{"taxonomy":"back-matter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter-type?post=1215"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/contributor?post=1215"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/license?post=1215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}