Question

Check whether -2.5,-4.5, -6.5...........is an AP or not​

Answer 1

Answer:

YES IT FORMS AP

Step-by-step explanation:

if it is AP it should have same common difference

-4.5-(-2.5)=-4.5+2.5=-2.5=d1

-6.5-(-4.5)=-6.5+4.5=-2.5=d2

Here the common diference d1=d2

therefore given series forms AP.

I hope you are satisfied by my answer.

Answer 2

Answer:

Yes this is an AP because the common difference of every number is -2