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5-10 Arithmetic and Geometric Sequences
Agenda: Check Homework Bellringer: Divide. 24÷−2 −55÷−5 9÷−81 5-10 Notes
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Today I will learn to… Find the terms of arithmetic sequences.
Find the terms of geometric sequences.
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Vocabulary… A sequence is an ordered list of numbers.
There will be two specific types we will look at. Arithmetic Sequence: a sequence in which the difference between any two consecutive terms is the same. Geometric Sequence: a sequence in which the quotient of any two consecutive numbers is the same.
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Arithmetic Sequence 20, 30, 40, 50, 60, … Term: Common Difference:
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8, 5, −1, −4, … Yes? Common Difference: Next three terms:
State whether the sequence is arithmetic. If so, write the common difference and the next three terms. 8, 5, −1, −4, … Yes? Common Difference: Next three terms:
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1, 2, 4, 7, 11, … Yes? Common Difference: Next three terms:
State whether the sequence is arithmetic. If so, write the common difference and the next three terms. 1, 2, 4, 7, 11, … Yes? Common Difference: Next three terms:
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Geometric Sequence −2, 6, −18, 54, … Common ratio: Next Three Terms:
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20, 10, 5, 5 2 , 5 4 , … Yes? Common ratio: Next Three Terms:
State whether the sequence is geometric. If so, write the common difference and the next three terms. 20, 10, 5, 5 2 , 5 4 , … Yes? Common ratio: Next Three Terms:
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ICA 5-10 Skills Practice
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Homework: Correct Pre-Test on another sheet of paper
Homework: Correct Pre-Test on another sheet of paper. Did you learn a lot?
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