3 years ago

12, 6, 0, -6, What is the common difference in the following arithmetic sequence

Mathematics

2 answers:

iren [92.7K]3 years ago

5 0

Answer:

every step you subtract 6 so the common difference is -6

ivanzaharov [21]3 years ago

3 0

Answer:

-6

Step-by-step explanation:

In an arithmetic sequence, the common difference is the difference between each number in the sequence.

In this sequence, the common difference is -6 because from left to right, we can see that the numbers decrease by 6 each time.

For example, 12 - 6 = 6.

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grigory [225]

For this case, what we must do is find the scale factor.
We have then that the scale factor is given by:
$k = \frac{L1}{L2}$
Where,
L1: side length of polygon ABCD
L2: side length of polygon PQRS
Note: both sides belong to the same side of each polygon
Substituting the values we have:
$k = \frac{6}{12}$
Rewriting we have:
$k = \frac{1}{2}$
Answer:
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$k = \frac{1}{2}$

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