Actually i'm not doing fine. We're learning about Arithmetic Sequences in math and i'm so confused!!
Oh! I have a friend who can teach you.
Hi Melissa how are you?
How about later? I'll just text you is that okay?
I don't know how to determine if a sequence is an arithmetic sequence let alone how to determinethe pattern of one.
The common difference? What does that mean?
Ok, well you need to find the common difference of the pattern.
4,6,8,10
a , a .... 1 2
so then, how would we determine if isn't an arithmetic sequence
The common difference would not be the same throughout. The common difference has to be the same for it to ba an arithmetic sequence.
d = 6-4 =2d = 8-6 =2d = 10-8 =2
d= Common differenced= a -a 2 1
it is an arithmetic sequence.
So the common difference of this of this sequence number would be 2 because of the common difference is the same throughout.
4,6,8,10
a , a .... 1 2
d = 6-4 =2d = 8-6 =2d = 10-8 =2
d= Common differenced= a -a 2 1
it is an arithmetic sequence.
The common difference is the pattern between the number in an arithmetic sequence. So, if we have a sequence of numbers such as 4,6,8,10 we'd take the 2nd number and subtact the 1st number.
4,7,10,14
Oh ok!
Well, the common difference is 3 between the first two sets of numbers but not the third, so it isn't an arithmetic sequence
d = 7-4 =3d = 10-7 =3d = 14-10 =4
Here you try.Your sequence of numbers are 4,7,10,14
It is NOT an arithmetic sequence.
4,7,10,14
Oh ok, that's not bad! They're pretty fun actually!!
d = 7-4 =3d = 10-7 =3d = 14-10 =4
Exactly! See you got it!!
It is NOT an arithmetic sequence.
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