Answer:
-3
Step-by-step explanation:
Answer:
Common Difference:
The ninth term: -1
Step-by-step explanation:
The sequence can be written like this,
3, 2.5, 2, 1.5, 1, ....
Here the common difference is clearly -0.5 or
, and we can conclude that
number is
. So the 9th term is,

Answer:

Step-by-step explanation:
A polynomial written in decreasing order of the degree of its monomials ( or single term ) is called its standard form,
In polynomial,
,
Degrees are written in increasing order,
⇒ It is not written in standard form,
In polynomial,
,
Degrees are written in decreasing order,
⇒ It is written in standard form,
In polynomial,
,
There is no order of degrees,
⇒ It is not written in standard form,
In polynomial,
,
There is no order of degrees,
⇒ It is not written in standard form,
Answer:
I don't really have an answer for you but if you need help to get your answer use an app called Cymath it can help with your problems i've used this app a lot of times for this kind of math :)
Step-by-step explanation:
Hope i helped!!