8. What is the 20 term of the arithmetic sequence -9, -4, 1, 6, ...? A. 86 B. 90 C. 114 D. 120. Created by tabiraojoey.

8. What is the 20 term of the arithmetic sequence -9, -4, 1, 6, ...? A. 86 B. 90 C. 114

January 2023 1 1 Report

8. What is the 20 term of the arithmetic sequence -9, -4, 1, 6, ...? A. 86 B. 90 C. 114 D. 120

Answer:

1. A 86

using the arithmetic formula

an = a1 + (an - 1) d

a(20) = (-9) + (20 - 1) (5)

a(20) = -9 + (19) (5)

a(20) = -9 + 95

a(20) = 86

Step-by-step explanation:

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