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reyesortiz6955
16.07.2019 •
Mathematics
Is the sequence geometric? if so, identify the common ratio. 2, -4, -16, -36, a. yes; -2 b. yes; 2 c. yes; -3 d. no
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Ответ:
Since the quotient between consecutive terms is different, the sequence is not geometric, and the correct option is:
D. No Geometric sequence:In a geometric sequence, the quotient between consecutive terms is always the same, and it is called common ratio.
In this problem, the sequence is: {2, -4, -16, -36, ...}
Different quotients, hence not geometric, and option D is correct.
You can learn more about geometric sequences at link
Ответ:
No this is not the sequence geometric.
Step-by-step explanation:
Given : 2, -4, -16, -36, ...
To find : Is the sequence geometric? If so, identify the common ratio.
Solution : We have given that 2, -4, -16, -36, ...
In a Geometric Sequence each term is found by multiplying the previous term by a constant.
Geometric Sequence like this:
{a, ar, ar², ar³, ... }
On comparing
2, -4, -16, -36, ...
{ 2 , 2 ×-2, 2×(-2)², 2×(-2)³..
So we get { 2, -4, -8, -16...
Therefore , No this is not the sequence geometric.
Ответ:
48 sodas
Ratio of diet to regular = 6:2 = 3:1
For every 3 diet sodas sold, there was one regular soda sold
36/3 = 12
36:12 = 6:2 = 3:1
36 diet sodas and 12 regular sodas were sold
36+12=48
48 total sodas were sold that day