what is the first term and the common difference if the second term is -24 and the fifth term is 3?

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Guest Jun 3, 2015

+118696

+5

Best Answer

$\\t_n=a+(n-1)d\\\\ t_2=-24\qquad t_5=3\\\\ a+1*d=-24\\ a+d=-24 \qquad (1)\\\\ a+4d=3\qquad (2)\\\\ $Now solve equations 1 and 2 simultaneously$ $

Melody Jun 3, 2015

Melody · Answer 1 · 2015-06-03T01:32:39

$\\t_n=a+(n-1)d\\\\ t_2=-24\qquad t_5=3\\\\ a+1*d=-24\\ a+d=-24 \qquad (1)\\\\ a+4d=3\qquad (2)\\\\ $Now solve equations 1 and 2 simultaneously$ $

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