If the first term of a sequence is four and the common difference is -9. Find a40. (Write your answer as a value without spaces ex. 678, -973, etc.)

asked Nov 19, 2022 89.7k views

20 votes

If the first term of a sequence is four and the common difference is -9. Find a40.

(Write your answer as a value without spaces ex. 678, -973, etc.)

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5 votes

Answer:

an = a1 + d(n - 1)

Explanation:

an = 4 + -9(40 -1)

an = 4 + -9(39)

Techniv answered Nov 25, 2022

4.3k points

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