4 years ago

Write an equation for the nth term of the arithmetic sequence. Then find a50.

Mathematics

1 answer:

Cloud [144]4 years ago

5 0

First, we need a few things.

The first term = 26

The common difference = 22 - 26 = -4

26 - 4(n - 1) is our equation.

Let's plug 50 into n to find a50

a50 = 26 - 4(50 - 1)

a50 = 26 - 4(49)

a50 = 26 - 196

a50 = -170

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