Arithmetic or Geometric
Is this sequence Arithmetic or Geometric?
1,4,7,10,...
Arithmetic,
Common Difference of 3
What is the ratio?
3, 9, 27,..
Ratio is 3
What is the recursive equation for this sequence?
3, 7, 11,...
What is the explicit equation?
2,4,6,8
f(n)=2+2(n-1)
6,10,14,..
The next term is 18
Is this sequence Arithmetic or Geometric?
4,8,16,32,...
Geometric!
Common Ratio of 2
What is the ratio?
f(2) is 70, f(1) is 7
Common Ratio is 10
What is the recursive equation?
5,20,80,...
f(n)=f(n-1)*4
What is the explicit equation?
4,16,64,...
f(n)= 4*4^(n-1)
What is the next term in the geometric sequence?
13,26,52,...
The next term is 104
Is this sequence Arithmetic or Geometric? and state the common ratio or difference.
3,8,13,18,...
Arithmetic!
Difference of +5
What is the common ratio?
40, 20, 10, 5,...
Common Ratio 1/2
What is the recursive Equation?
17,11,5,...
f(n)=f(n-1)-6
What is the explicit equation?
f(0) = 5, r = 3
what are the next 2 terms in the arithmetic sequence?
1,3,...
The next terms are 5 and 7
Is this sequence Arithmetic or Geometric? And state the common ratio or difference.
4,16,64,...
Geometric!
Common ratio of 4
What is the common ratio?
f(2) = 55, f(1) = 11
Common ratio is 5
What is the recursive equation?
f(1) =17, r = 5
f(n)=f(n-1)*5
What is the explicit equation?
f(0) = 3, d = 6
f(n)=3+6n
what are next two terms in the geometric sequence?
96, 48, 24,
the next two terms are 12 and 6
Is this sequence Arithmetic or Geometric? And state the common difference or ratio.
64, 32, 16, ...
Geometric!
Common Ratio of 1/2
What is the common ratio?
f(2) = 20, f(1) = 80
What is the recursive equation?
80,40,20,10,...
f(n)=f(n-1)*1/2
What is the explicit equation?
f(0)=3, r = 1/3
f(n) = 3 *(1/3)^n
what are the next two terms for these two sequences if one is arithmetic and one is geometric.
2,4
arithmetic: 6,8
geometric: 8,16