Answer:
Li Jing's formula i.e. is right.
Step-by-step explanation:
Considering the sequence
A geometric sequence has a constant ratio r and is defined by
So, the sequence is geometric.
as
so
Therefore, Li Jing's formula i.e. is right.
start at the top and go down one then go to the right and the vice verse
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Answer:
B
Step-by-step explanation:
Y2-y1/x2-x1
8-[-13]/17-17
21/0
this is called undefined because its denominator is zero.