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What is the recursive formula for this geometric sequence 2, -10, 50, -250, .... ?
The recursive formula for this geometric sequence is:
= 2; 
= (-5) • 
Step-by-step explanation:
To find the recursive formula for a geometric sequence:
- Determine if the sequence is geometric (Do you multiply, or divide, the same amount from one term to the next?)
- Find the common ratio. (The number you multiply or divide.)
- Create a recursive formula by stating the first term, and then stating the formula to be the common ratio times the previous term.
The recursive formula is:
= first term; = r • , where
- is the first term in the sequence
- is the term before the nth term
- r is the common ratio
∵ The geometric sequence is 2 , -10 , 50 , -250
∴ = 2
- To find r divide the 2nd term by the first term
∵ 
∴ 
- Substitute the values of and r in the formula above
∴ = 2; = (-5) •
The recursive formula for this geometric sequence is:
= 2; = (-5) •
Learn more:
You can learn more about the geometric sequence in brainly.com/question/1522572
#LearnwithBrainly
Combine like terms
e)= 3t^3
f) = 2m^2 + 5m
g) = 3k^3 + 4
h) = 8y^2 - 2y + 6
hope it helps
Answer:
D) 11
Step-by-step explanation:
If you start at five and count back on each little x
than you should come up with 11
0=3
1=1
2=2
3=4
4=1
3+1+2+4+1=11
You do This because you need to find how many has fewer so you don't count 5
X is greater than or equal to -2 and x is less than 4
Answer:
The third plot.
Step-by-step explanation:
Use the process of elimination:
The first 4 numbers are 6,6,7,7
The first plot shows 6,6,6,7,7,7 which is not the answer.
Next , the numbers are 9, 10, 10, 10, 10, 10, 10
THERE ARE 6 Tens, ONLY ANSWER CHOICE C HAS 6 TENS
THAT IS THE ANSWER!!!
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SIMPLIFY BANANAS : ) Hope this helps!!!
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