What's the pattern?
Is the sequence Arithmetic or Geometric?
2, 4, 8...
Geometric
Given the explicit arithmetic formula, identify the common difference.
a_n = 5+3(n-1)
d = 3
Which type of sequence has numbers that change by adding by the same amount?
Arithmetic
What fruit do raisins come from?
Grapes
What's the next two terms?
5, 20, 35,...
50, 65
Given this explicit geometric formula, what are the first 3 terms?
a_n=7(2)^(n-1)
7, 14, 28
What does a1 represent?
The first term of a sequence
Groups of animals have unique names such as herd of cattle and flock of birds. What do you call a group of fish?
School of fish
Arithmetic or Geometric? What's the pattern?
100, -60, 36,...
Geometric r = -0.6
Given this recursive formula, what are the first 3 terms?
a_1=17
a_n=a_(n-1)-6
17, 11, 5
A geometric sequence is a pattern where each number is multiplied by the same value. That value is called the common ______?
Common ratio
What year was the Nintendo Switch released?
2017
Here is an arithmetic sequence given a1=10 and a4=22. Fill in the blanks.
10, ___, ___ , 22
d = 4
10, 14, 18, 22
Set up an explicit formula for the arithmetic sequence.
9, 5, 1...
a_n=
a_n=9-4(n-1)
What does an-1 mean?
previous term
Which country invented the Caesar Salad?
Italy, Mexico, Greece, or USA
Mexico