What is the common difference between the elements of the arithmetic sequence below? -18, -22.5,-27,-31.5,-36

asked Mar 17, 2019 217k views

3 votes

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5 votes

Answer:

-4.5

Explanation:

Silentavt answered Mar 19, 2019

8.8k points

4 votes

a₁ = -18
a₂ = -22.5

d = a₂ - a₁
= -22.5 - (-18)
= -22.5 + 18
= -4.5

Koninos answered Mar 21, 2019

8.7k points

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