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

 Jun 3, 2015

Best Answer 

 #1
avatar+118723 
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$$\\t_n=a+(n-1)d\\\\
t_2=-24\qquad t_5=3\\\\
a+1*d=-24\\
a+d=-24 \qquad (1)\\\\
a+4d=3\qquad (2)\\\\
$Now solve equations 1 and 2 simultaneously$$$

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 Jun 3, 2015
 #1
avatar+118723 
+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

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