Assignment: Algebra I,Write the first three terms of the sequence.A(n+1) = A(n) - 5 for n 2 1 and A(1) = 9Write your answer separated by commas

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30-10-2022
Mathematics

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Assignment: Algebra I,Write the first three terms of the sequence.A(n+1) = A(n) - 5 for n 2 1 and A(1) = 9Write your answer separated by commas

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JacsenG70341 JacsenG70341 · Answer 1 · 2022-10-30T09:32:24+01:00

The first three terms of the sequence are;

[tex]9,4,-1[/tex]

Here, we want to write the first three terms of the arithmetic sequence given the first term

We are already given the first term, so we are only going to write two more terms

We proceed with this as follows;

[tex]\begin{gathered} \text{If;} \\ A_{n+1}=A_n-5 \\ A_2=A_1\text{ - 5} \\ \text{but A}_1\text{ = 9} \\ A_{2_{}}=9-5=4 \\ A_3=A_2-5 \\ \text{but A}_2=\text{ 4} \\ A_3\text{ = 4-5} \\ A_3\text{ =}-1 \end{gathered}[/tex]