Friday, February 12, 2010
Algebra 2 (Class 55)
Lesson Title
3.1.4 What if it does not grow?
Overview
To learn more about exponents, today students will students a new context that can be represented with an equation of the form y = ab^x.
Textbook Sections
3.1.4 (Txt. p.130) What if it does not grow?
Vocabulary
interest
simple interest
compound interest
Key Attitudes
Willingness to work as a group to help meet individual and group goals.
Enduring Understandings
Change is fundamental to understanding functions.
Mathematical relationships can be represented in 4 main ways: Graphical, Numerical, Algebraic, Verbal (written and oral).
Essential Question
How does it grow?
How is the rate written as a percent? As a decimal?
How is it the same or different?
What’s the difference between exponential growth and exponential decay?
Key Knowledge
Exponential growth is caused by a constant multiplication.
Key Skills
I can determine if a situation is appropriately represented by exponential decay.
I can represent exponential decay using multiple representations.
I can find the half-life given values.
Turn-In (#-1)
3-41 to 3-44
Handouts
No Handouts Posted
Assignment
3-45 to 3-47
Disclaimer- The assignment as stated in class is the official assignment. Every effort is made to keep this posting accurate, but you should refer to what was stated in class as the final word.
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