What are the next two numbers in the pattern, 5, -10, -20, -40?
Expanding on the idea...
We can also formulate this
This is called a geometric sequence, where the next term can be obtained by multiplying the prior term by a paricular number, called a common ration...
This has an
Your sequance is:
So our next terms our
So hecne using the formula: -80, -160 are the next two terms
We can also take a sum of the first