SWBAT: Identifying arithmetic sequences and writing the explicit formula for an arithmetic sequence.
Linear Regression and Residual Practice
Test Review
Writing a rule for a sequence and finding a term in the sequence
Finding the nth Term of an Arithmetic Sequence
1)
a) Write an equation for the nth term of the arithmetic sequence 14, 11, 8, 5, . …..
b) Find a50.
2)
a) Write an equation for the nth term of the arithmetic sequence
b) Find a25.
Writing Sequences given a Table
3)
Juan saves $12 the first week of the year.
He will increase the amount he saves each week by $4.
a) Write a function that represents the arithmetic sequence.
b) Juan’s goal is to save $68 in one week.
In which week will he save that amount?
1
SWBAT: Identifying arithmetic sequences and writing the explicit formula for an arithmetic sequence.
Linear Regression and Residual Practice
Test Review
Given two terms in a sequence, find the rule.
4) The 2nd term of a sequence is 7 and the 8th term is 82.
a) Find the rule for the sequence.
b) Identify the common difference of this sequence.
c) Find the first term of this sequence.
5) The 2nd term of a sequence is 10 and the 18th term is 58.
a) Find the rule for the sequence.
b) Identify the common difference of this sequence.
c) Find the first term of this sequence
6) Describe the 20th figure in this sequence.
7)
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SWBAT: Identifying arithmetic sequences and writing the explicit formula for an arithmetic sequence.
Linear Regression and Residual Practice
Test Review
8)
9)
a)
b)
3
SWBAT: Identifying arithmetic sequences and writing the explicit formula for an arithmetic sequence.
Linear Regression and Residual Practice
Test Review
10)
4
SWBAT: Identifying arithmetic sequences and writing the explicit formula for an arithmetic sequence.
Linear Regression and Residual Practice
Test Review
11)
5