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Write the first ten terms of a sequence whose first term is -10 and whose common difference is -2
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So\[u _{n}=rn+b\]\[r=-2,u _{1}=-10\rightarrow -10=-2+b \rightarrow b = -8\]\[u _{n}=-2n-8\] Thus, {-10,-12,-14,-16,-18,-20,-22,-24,-26,-28}
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