{"id":2022,"date":"2021-12-02T19:40:31","date_gmt":"2021-12-03T00:40:31","guid":{"rendered":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/back-matter\/answer-key-11-4\/"},"modified":"2023-08-22T16:46:14","modified_gmt":"2023-08-22T20:46:14","slug":"answer-key-11-4","status":"publish","type":"back-matter","link":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/back-matter\/answer-key-11-4\/","title":{"raw":"Answer Key 11.4","rendered":"Answer Key 11.4"},"content":{"raw":"<ol>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrrrrrrr}\r\n&amp;1&amp;-&amp;2n&amp;=&amp;1&amp;-&amp;3n \\\\\r\n-&amp;1&amp;+&amp;3n&amp;&amp;-1&amp;+&amp;3n \\\\\r\n\\hline\r\n&amp;&amp;&amp;n&amp;=&amp;0&amp;&amp;\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n4^{2x}&amp;=&amp;4^{-2} \\\\ \\\\\r\n\\dfrac{2x}{2}&amp;=&amp;\\dfrac{-2}{2} \\\\ \\\\\r\nx&amp;=&amp;-1\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n4^{2a}&amp;=&amp;4^0 \\\\\r\n2a&amp;=&amp;0 \\\\\r\na&amp;=&amp;0\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(4^2)^{-3p}&amp;=&amp;(4^3)^{3p} \\\\\r\n4^{-6p}&amp;=&amp;4^{9p} \\\\\r\n-6p&amp;=&amp;\\phantom{+}9p \\\\\r\n+6p&amp;&amp;+6p \\\\\r\n\\hline\r\n0&amp;=&amp;15p \\\\ \\\\\r\np&amp;=&amp;0\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(5^{-2})^{-k}&amp;=&amp;(5^3)^{-2k-2} \\\\\r\n5^{2k}&amp;=&amp;5^{-6k-6} \\\\\r\n2k&amp;=&amp;-6k-6 \\\\\r\n+6k&amp;&amp;+6k \\\\\r\n\\hline\r\n8k&amp;=&amp;-6 \\\\ \\\\\r\nk&amp;=&amp;-\\dfrac{6}{8}\\Rightarrow -\\dfrac{3}{4}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(5)^{4(-n-2)}&amp;=&amp;(5)^{-3} \\\\\r\n5^{-4n-8}&amp;=&amp;5^{-3} \\\\\r\n-4n-8&amp;=&amp;-3 \\\\\r\n4n+8&amp;=&amp;\\phantom{-}3 \\\\\r\n-8&amp;&amp;-8 \\\\\r\n\\hline\r\n4n&amp;=&amp;-5 \\\\ \\\\\r\nn&amp;=&amp;-\\dfrac{5}{4}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n6^{2m+1}&amp;=&amp;6^{-2} \\\\\r\n2m+1&amp;=&amp;-2 \\\\\r\n-1&amp;&amp;-1 \\\\\r\n\\hline\r\n2m&amp;=&amp;-3 \\\\ \\\\\r\nm&amp;=&amp;-\\dfrac{3}{2}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n2r-3&amp;=&amp;\\phantom{-}r-3 \\\\\r\n-r+3&amp;&amp;-r+3 \\\\\r\n\\hline\r\nr&amp;=&amp;0\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n6^{-3x}&amp;=&amp;6^2 \\\\\r\n\\therefore -3x&amp;=&amp;2 \\\\\r\nx&amp;=&amp;-\\dfrac{2}{3}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n2n&amp;=&amp;-n \\\\\r\n+n&amp;&amp;+n \\\\\r\n\\hline\r\n3n&amp;=&amp;0 \\\\ \\\\\r\nn&amp;=&amp;0\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(2^6)^b&amp;=&amp;2^5 \\\\\r\n6b&amp;=&amp;5 \\\\ \\\\\r\nb&amp;=&amp;\\dfrac{5}{6}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(6^3)^{-3v}&amp;=&amp;(6^2)^{3v} \\\\\r\n6^{-9v}&amp;=&amp;6^{6v} \\\\\r\n-9v&amp;=&amp;6v \\\\\r\n+9v&amp;&amp;+9v \\\\\r\n\\hline\r\n0&amp;=&amp;15v \\\\ \\\\\r\nv&amp;=&amp;0\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(4^{-1})^x&amp;=&amp;4^2 \\\\\r\n4^{-x}&amp;=&amp;4^2 \\\\\r\n\\therefore -x&amp;=&amp;2 \\\\\r\nx&amp;=&amp;-2\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(3^3)^{-2n-1}&amp;=&amp;3^2 \\\\\r\n3^{-6n-3}&amp;=&amp;3^2 \\\\\r\n-6n-3&amp;=&amp;2 \\\\\r\n+3&amp;=&amp;+3 \\\\\r\n\\hline\r\n-6n&amp;=&amp;5 \\\\ \\\\\r\nn&amp;=&amp;-\\dfrac{5}{6}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n\\therefore 3a&amp;=&amp;3 \\\\\r\na&amp;=&amp;1\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n4^{-3v}&amp;=&amp;4^3 \\\\\r\n\\therefore -3v&amp;=&amp;3 \\\\\r\nv&amp;=&amp;-1\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(6^2)^{3x}&amp;=&amp;\\phantom{-}(6^3)^{2x+1} \\\\\r\n6^{6x}&amp;=&amp;\\phantom{-}6^{6x+3} \\\\\r\n\\therefore 6x&amp;=&amp;\\phantom{-}6x+3 \\\\\r\n-6x&amp;&amp;-6x \\\\\r\n\\hline\r\n0&amp;=&amp;3 \\Rightarrow \\text{no solution}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(4^3)^{x+2}&amp;=&amp;4^2 \\\\\r\n4^{3x+6}&amp;=&amp;4^2 \\\\\r\n\\therefore 3x+6 &amp; =&amp;\\phantom{-}2 \\\\\r\n-6&amp;&amp;-6 \\\\\r\n\\hline\r\n3x&amp;=&amp;-4 \\\\ \\\\\r\nx&amp;=&amp;-\\dfrac{4}{3}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(3^2)^{2n+3}&amp;=&amp;3^5 \\\\\r\n3^{4n+6}&amp;=&amp;3^5 \\\\\r\n\\therefore 4n+6&amp;=&amp;\\phantom{-}5 \\\\\r\n-6&amp;&amp;-6 \\\\\r\n\\hline\r\n4n&amp;=&amp;-1 \\\\ \\\\\r\nn&amp;=&amp;-\\dfrac{1}{4}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(4^2)^{2k}&amp;=&amp;4^{-3} \\\\\r\n4^{4k}&amp;=&amp;4^{-3} \\\\\r\n\\therefore 4k&amp;=&amp;-3 \\\\ \\\\\r\nk&amp;=&amp;-\\dfrac{3}{4}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n3x-2&amp;=&amp;\\phantom{-}3x+1 \\\\\r\n-3x+2&amp;&amp;-3x+2 \\\\\r\n\\hline\r\n0&amp;=&amp;\\phantom{-}3\\Rightarrow \\text{no solution}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(2^5)^p&amp;=&amp;(3^2)^{-3p} \\\\\r\n\\therefore 5p&amp;=&amp;-6p \\\\\r\n+6p&amp;&amp;+6p \\\\\r\n\\hline\r\n11p&amp;=&amp;0 \\\\ \\\\\r\np&amp;=&amp;0\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n-2x&amp;=&amp;3 \\\\\r\nx&amp;=&amp;-\\dfrac{3}{2}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n2n&amp;=&amp;2-3n \\\\\r\n+3n&amp;&amp;\\phantom{2}+3n \\\\\r\n\\hline\r\n5n&amp;=&amp;2 \\\\ \\\\\r\nn&amp;=&amp;\\dfrac{2}{5}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\nm+2&amp;=&amp;-m \\\\\r\n+m-2&amp;=&amp;+m-2 \\\\\r\n\\hline\r\n2m&amp;=&amp;-2 \\\\ \\\\\r\nm&amp;=&amp;-1\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(5^4)^{2x}&amp;=&amp;5^2 \\\\\r\n5^{8x}&amp;=&amp;5^2 \\\\\r\n\\therefore 8x&amp;=&amp;2 \\\\ \\\\\r\nx&amp;=&amp;\\dfrac{1}{4}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(6^{-2})^{b-1}&amp;=&amp;6^3 \\\\\r\n6^{-2b+2}&amp;=&amp;6^3 \\\\\r\n\\therefore -2b+2&amp;=&amp;\\phantom{-}3 \\\\\r\n-2&amp;&amp; -2 \\\\\r\n\\hline\r\n-2b&amp;=&amp;\\phantom{-}1 \\\\ \\\\\r\nb&amp;=&amp;-\\dfrac{1}{2}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(6^3)^{2n}&amp;=&amp;6^2 \\\\\r\n6^{6n}&amp;=&amp;6^2 \\\\\r\n\\therefore 6n&amp;=&amp;2 \\\\ \\\\\r\nn&amp;=&amp;\\dfrac{1}{3}\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n2-2x&amp;=&amp;\\phantom{-}2 \\\\\r\n-2\\phantom{-2x}&amp;=&amp;-2 \\\\\r\n\\hline\r\n-2x&amp;=&amp;0 \\\\ \\\\\r\nx&amp;=&amp;0\r\n\\end{array}[\/latex]<\/li>\r\n \t<li>[latex]\\phantom{a}[\/latex]\r\n[latex]\\begin{array}[t]{rrl}\r\n(2^{-2})^{3v-2}&amp;=&amp;\\phantom{-}(2^6)^{1-v} \\\\\r\n2^{-6v+4}&amp;=&amp;\\phantom{-}2^{6-6v} \\\\\r\n\\therefore -6v+4&amp;=&amp;\\phantom{-}6-6v \\\\\r\n+6v-4&amp;&amp; -4+6v \\\\\r\n\\hline\r\n0&amp;=&amp;\\phantom{-}2\\Rightarrow \\text{No solution}\r\n\\end{array}[\/latex]<\/li>\r\n<\/ol>","rendered":"<ol>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrrrrrrr}  &1&-&2n&=&1&-&3n \\\\  -&1&+&3n&&-1&+&3n \\\\  \\hline  &&&n&=&0&&  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  4^{2x}&=&4^{-2} \\\\ \\\\  \\dfrac{2x}{2}&=&\\dfrac{-2}{2} \\\\ \\\\  x&=&-1  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  4^{2a}&=&4^0 \\\\  2a&=&0 \\\\  a&=&0  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (4^2)^{-3p}&=&(4^3)^{3p} \\\\  4^{-6p}&=&4^{9p} \\\\  -6p&=&\\phantom{+}9p \\\\  +6p&&+6p \\\\  \\hline  0&=&15p \\\\ \\\\  p&=&0  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (5^{-2})^{-k}&=&(5^3)^{-2k-2} \\\\  5^{2k}&=&5^{-6k-6} \\\\  2k&=&-6k-6 \\\\  +6k&&+6k \\\\  \\hline  8k&=&-6 \\\\ \\\\  k&=&-\\dfrac{6}{8}\\Rightarrow -\\dfrac{3}{4}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (5)^{4(-n-2)}&=&(5)^{-3} \\\\  5^{-4n-8}&=&5^{-3} \\\\  -4n-8&=&-3 \\\\  4n+8&=&\\phantom{-}3 \\\\  -8&&-8 \\\\  \\hline  4n&=&-5 \\\\ \\\\  n&=&-\\dfrac{5}{4}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  6^{2m+1}&=&6^{-2} \\\\  2m+1&=&-2 \\\\  -1&&-1 \\\\  \\hline  2m&=&-3 \\\\ \\\\  m&=&-\\dfrac{3}{2}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  2r-3&=&\\phantom{-}r-3 \\\\  -r+3&&-r+3 \\\\  \\hline  r&=&0  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  6^{-3x}&=&6^2 \\\\  \\therefore -3x&=&2 \\\\  x&=&-\\dfrac{2}{3}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  2n&=&-n \\\\  +n&&+n \\\\  \\hline  3n&=&0 \\\\ \\\\  n&=&0  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (2^6)^b&=&2^5 \\\\  6b&=&5 \\\\ \\\\  b&=&\\dfrac{5}{6}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (6^3)^{-3v}&=&(6^2)^{3v} \\\\  6^{-9v}&=&6^{6v} \\\\  -9v&=&6v \\\\  +9v&&+9v \\\\  \\hline  0&=&15v \\\\ \\\\  v&=&0  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (4^{-1})^x&=&4^2 \\\\  4^{-x}&=&4^2 \\\\  \\therefore -x&=&2 \\\\  x&=&-2  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (3^3)^{-2n-1}&=&3^2 \\\\  3^{-6n-3}&=&3^2 \\\\  -6n-3&=&2 \\\\  +3&=&+3 \\\\  \\hline  -6n&=&5 \\\\ \\\\  n&=&-\\dfrac{5}{6}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  \\therefore 3a&=&3 \\\\  a&=&1  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  4^{-3v}&=&4^3 \\\\  \\therefore -3v&=&3 \\\\  v&=&-1  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (6^2)^{3x}&=&\\phantom{-}(6^3)^{2x+1} \\\\  6^{6x}&=&\\phantom{-}6^{6x+3} \\\\  \\therefore 6x&=&\\phantom{-}6x+3 \\\\  -6x&&-6x \\\\  \\hline  0&=&3 \\Rightarrow \\text{no solution}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (4^3)^{x+2}&=&4^2 \\\\  4^{3x+6}&=&4^2 \\\\  \\therefore 3x+6 & =&\\phantom{-}2 \\\\  -6&&-6 \\\\  \\hline  3x&=&-4 \\\\ \\\\  x&=&-\\dfrac{4}{3}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (3^2)^{2n+3}&=&3^5 \\\\  3^{4n+6}&=&3^5 \\\\  \\therefore 4n+6&=&\\phantom{-}5 \\\\  -6&&-6 \\\\  \\hline  4n&=&-1 \\\\ \\\\  n&=&-\\dfrac{1}{4}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (4^2)^{2k}&=&4^{-3} \\\\  4^{4k}&=&4^{-3} \\\\  \\therefore 4k&=&-3 \\\\ \\\\  k&=&-\\dfrac{3}{4}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  3x-2&=&\\phantom{-}3x+1 \\\\  -3x+2&&-3x+2 \\\\  \\hline  0&=&\\phantom{-}3\\Rightarrow \\text{no solution}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (2^5)^p&=&(3^2)^{-3p} \\\\  \\therefore 5p&=&-6p \\\\  +6p&&+6p \\\\  \\hline  11p&=&0 \\\\ \\\\  p&=&0  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  -2x&=&3 \\\\  x&=&-\\dfrac{3}{2}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  2n&=&2-3n \\\\  +3n&&\\phantom{2}+3n \\\\  \\hline  5n&=&2 \\\\ \\\\  n&=&\\dfrac{2}{5}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  m+2&=&-m \\\\  +m-2&=&+m-2 \\\\  \\hline  2m&=&-2 \\\\ \\\\  m&=&-1  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (5^4)^{2x}&=&5^2 \\\\  5^{8x}&=&5^2 \\\\  \\therefore 8x&=&2 \\\\ \\\\  x&=&\\dfrac{1}{4}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (6^{-2})^{b-1}&=&6^3 \\\\  6^{-2b+2}&=&6^3 \\\\  \\therefore -2b+2&=&\\phantom{-}3 \\\\  -2&& -2 \\\\  \\hline  -2b&=&\\phantom{-}1 \\\\ \\\\  b&=&-\\dfrac{1}{2}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (6^3)^{2n}&=&6^2 \\\\  6^{6n}&=&6^2 \\\\  \\therefore 6n&=&2 \\\\ \\\\  n&=&\\dfrac{1}{3}  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  2-2x&=&\\phantom{-}2 \\\\  -2\\phantom{-2x}&=&-2 \\\\  \\hline  -2x&=&0 \\\\ \\\\  x&=&0  \\end{array}[\/latex]<\/li>\n<li>[latex]\\phantom{a}[\/latex]<br \/>\n[latex]\\begin{array}[t]{rrl}  (2^{-2})^{3v-2}&=&\\phantom{-}(2^6)^{1-v} \\\\  2^{-6v+4}&=&\\phantom{-}2^{6-6v} \\\\  \\therefore -6v+4&=&\\phantom{-}6-6v \\\\  +6v-4&& -4+6v \\\\  \\hline  0&=&\\phantom{-}2\\Rightarrow \\text{No solution}  \\end{array}[\/latex]<\/li>\n<\/ol>\n","protected":false},"author":90,"menu_order":110,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":"cc-by-nc-sa"},"back-matter-type":[],"contributor":[],"license":[56],"class_list":["post-2022","back-matter","type-back-matter","status-publish","hentry","license-cc-by-nc-sa"],"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/pressbooks\/v2\/back-matter\/2022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/pressbooks\/v2\/back-matter"}],"about":[{"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/wp\/v2\/types\/back-matter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/wp\/v2\/users\/90"}],"version-history":[{"count":3,"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/pressbooks\/v2\/back-matter\/2022\/revisions"}],"predecessor-version":[{"id":2055,"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/pressbooks\/v2\/back-matter\/2022\/revisions\/2055"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/pressbooks\/v2\/back-matter\/2022\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/wp\/v2\/media?parent=2022"}],"wp:term":[{"taxonomy":"back-matter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/pressbooks\/v2\/back-matter-type?post=2022"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/wp\/v2\/contributor?post=2022"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/intermediatealgebraberg\/wp-json\/wp\/v2\/license?post=2022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}