martinmariaros martinmariaros

06-03-2017
Mathematics

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Find the 25th term of the arithmetic sequence with first term 7 and common difference -2

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therealsunshine therealsunshine

20-03-2017

Use the formula [tex]a_1+(n-1)d[/tex] where n is the number of terms, [tex]a_1[/tex] is the first term and d is the common difference. You Should get: [tex]7+(25-1)(-2) = 7+24(-2) = 7-48 = \boxed{-41}[/tex].

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