Subject: Algebra 2
Subject: Algebra 2
Grade Level: High School
Unit Title: Log and exponential functions (Unit 7) |Timeframe Needed for Completion: 1.5 weeks
Grading Period: 2nd Nine Weeks | |
|Big Idea/Theme: Equations and Inequalities |
| |
|Understandings: |
|Solve log equations |
|Solve exponential equations |
|Compare log and exponential functions |
|Essential Questions: |Curriculum Goals/Objectives |
|What is a logarithm? |The student will: |
|Why do we study logarithms? |FLE.4 For exponential models, express as a logarithm the |
|How do logs and exponentials inter-relate? |solution to abct = d where a, c, and d are numbers and |
| |the base b is 2, 10, or e; evaluate the logarithm using |
| |technology. |
| |ACED.1 Create equations and inequalities in one variable and use |
| |them to solve problems. Include equations arising from |
| |linear and quadratic functions, and simple rational and |
| |exponential functions. |
| |FIF.7.E Graph functions expressed symbolically and show key |
| |features of the graph, by hand in simple cases and using |
| |technology for more complicated cases. |
| |e. Graph exponential and logarithmic functions, |
| |showing intercepts and end behavior, and |
| |trigonometric functions, showing period, midline, |
| |and amplitude. |
| |FIF.8.B Write a function defined by an expression in different |
| |but equivalent forms to reveal and explain different |
| |properties of the function. |
| |b. Use the properties of exponents to interpret |
| |expressions for exponential functions. For example, |
| |identify percent rate of change in functions such as y |
| |= (1.02)t, y = (0.97)t, y = (1.01)12t, y = (1.2)t/10, and |
| |classify them as representing exponential growth or |
| |decay. |
|Essential Skills/Vocabulary: |Assessment Tasks: |
|Logarithm |Translate between exponential and log functions |
|Inverse |Graph log and exponential functions – to include intercepts and end behavior |
|Natural log |Solve log/ln equations |
|Common log |Solve exponential equations including e. |
|Materials Suggestions: |
|Prentice Hall Algebra 2 |
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