SOLUTION: I need help on these questions as I'm preparing for a unit test. Please help Is the sequence geometric? If so, identify the common ratio. 256, 64, 16, 4 What is the summation

Question 1001008: I need help on these questions as I'm preparing for a unit test. Please help
Is the sequence geometric? If so, identify the common ratio.
256, 64, 16, 4
What is the summation notation for the series?
200+175+150+125+...+(-300)
What is the sum of the arithmetic series?
5
Σ; (3n-2)
n-1
What is the sum of the geometric series? Round to the nearest whole number.
16
Σ; 6(1/4)^n
n-1
Does the infinite series diverge or converge? If it converges what is the sum?
10+2+2/5+2/25+....
what is
a_n= 2a_n-1 -1 where a_1 = 2?
Thank you !!!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I need help on these questions as I'm preparing for a unit test. Please help
Is the sequence geometric? If so, identify the common ratio.
256, 64, 16, 4
What is the summation notation for the series?
200+175+150+125+...+(-300)
What is the sum of the arithmetic series?
5
Σ; (3n-2)
n-1
What is the sum of the geometric series? Round to the nearest whole number.
16
Σ; 6(1/4)^n
n-1
Does the infinite series diverge or converge? If it converges what is the sum?
10+2+2/5+2/25+....
what is
a_n= 2a_n-1 -1 where a_1 = 2?
==============================
You posted too many questions in one post.
Different tutors answer different types of questions.
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Is the sequence geometric? If so, identify the common ratio.
256, 64, 16, 4
-------
Divide any element by the next element.
If the quotient is consistent, it's geometric.
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