Why is 4 + (−3) equal to 1? Because it is 3 units to the right of 4 on a horizontal number line Because it is 3 units to the lef
2 answers:
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Attached the solution with work shown.
a.
In order to find the common ratio, we just need to divide a term by the term that comes before it.
So using the terms 20 and -5, we have:
b.
The recursive rule can be found with the formula:
Where an is the nth term and q is the ratio. So we have:
c.
The explicit rule can be written as:
Where an is the nth term, a1 is the first term and q is the ratio. So: