Algebra I.3.B.08 - Why Stay with Whole Numbers? – Exit Ticket

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An odd number is a number that is one more than or one less than twice an integer. Consider the sequence formed by the odd numbers {1, 3, 5, 7, … }.

Find a formula for O(n), the nth odd number starting with n = 1.

Write a convincing argument that 121 is an odd number.

What is the meaning of O(17)?

From EngageNY.org of the New York State Education Department. High School 1 Algebra, Module 3, Topic B, Lesson 8. Internet. Available from https://www.engageny.org/resource/algebra-i-module...; accessed 28/Oct/2015.