Arithmetic or Geometric?
-4, 2, -1, 1/2
This is a Geometric sequence
Common ratio: -1/2
The Common Difference of -20, -23, -26, -29...
What is -3?
What is the name of Mrs. Walters husband
Gary
Write an equation for the nth term of the geometric sequences.
3, 15, 75, 375, 1875, ...
an = 3*5n-1
Write an equation for the nth term of the arithmetic sequences.
1, 4, 7, 10, 13, ...
an = 1 + (n - 1)3
2 1/2 , 3, 3 1/2, 4, 4 1/2...
What is Arithmetic?
The Common Ratio of the Sequence 2, 4, 8, 16, 32...
What is 2 ?
What is Mrs. Walters' license plate?
ROOTN4U
Write an equation for the nth term of the geometric sequences.
324, 108, 36, 12, 4, ...
an) = 324 * (1/3
Write an equation for the nth term of the arithmetic sequences.
3, 8, 13, 18, 23, ...
an = 3 + (n - 1)5
2, 4, 6, 8...
What is Arithmetic?
The Common Difference of 18, 22, 26, 30...
What is 4?
What are the names of Mrs. Walters' children
Nicholas, Alexandra, Andrew
Write an equation for the nth term of the geometric sequences.
1, -2, 4, -8, 16, ....
an=1 * (-2)n-1
Write an equation for the nth term of the arithmetic sequences.
-8, -2, 4, 10, 16, ...
an = -8 + (n - 1)6
The Common Ratio of the Sequence 3, 9, 27, 81...
What is 3?
What are the names of Mrs. Walters' dogs?
Finley and Asher
Write an equation for the nth term of the geometric sequences. Then find the 8th term
3, 6, 12, 24, ...
an= 3*(2)n-1
a8= 384
Write an equation for the nth term of the arithmetic sequences. Then find the 7th term.
-6, 1, 8, 15, 22, ...
an = -6 + (n - 1)7
a7 = 36
The sequence -5, -10, -15, -20
What is what is arithmetic?
The Common Ratio of the Sequence 1000, 200, 40, 8...
What is 1/5 or 0.2?
What are the names of Mrs. Walters' geese?
Lucy and Little Lu
Write an equation for the nth term of the geometric sequences. Then find the 10th term
128, 64, 32, 16, 8, ...
an= 128(1/2)n-1
a10= 0.25
Write an equation for the nth term of the arithmetic sequences. Find the 10th term
11, 4, -3, -10, -17, -24, ...
an = 11 + (n - 1)(-7)
a10 = -52