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Find an equation for the nth term of the arithmetic sequence. a19 = -58, a21 = -164
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Find an equation for the nth term of the arithmetic sequence.

a19 = -58, a21 = -164

User Paramasivan
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1 Answer

5 votes

a_(21) = a_(19) + 2d

-164 = -58 + 2d

2d = -106

d=-53
User Ryan Stein
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