Question

which of the following of the common difference of the arithmetic sequence -1,-8,-15-22=

Answer 1

Answer:

-7

Step-by-step explanation:

if you remove - from all numbers then

8-1=7

and 15-8=7

so for the - sign answer is -7

Answer 2

Answer:

.'. common difference (d) = (-7)

Step-by-step explanation:

We know that,

D= a2 - a1

.'. Here a1= (-1) and a2= (-8)

=> -8-(-1)

=>-8+1

=>d = (-7)

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