Display Title

Closed Captioned Video: Algebra Applications: Logarithmic Functions, 3

Closed Captioned Video: Algebra Applications: Logarithmic Functions, 3

Topic

Logarithmic Functions

Description

This video provides an in-depth exploration of logarithmic functions and their real-world applications. It begins by defining logarithmic functions as the inverse of exponential functions, emphasizing their use in modeling phenomena with exponential changes, such as earthquake magnitudes. Key terms include exponential functions, logarithmic functions, magnitude, and inverse functions, with applications focusing on how logarithmic scales simplify the analysis of earthquake intensity data. The next section examines sound intensity, measured logarithmically in decibels, and its effects on hearing. Each decibel increase corresponds to a tenfold rise in sound intensity. The segment highlights how sound intensity decreases with distance following the inverse square law. Key vocabulary includes decibels, sound intensity, inverse square law, and logarithmic scale, with applications in determining safe listening distances at rock concerts to prevent hearing loss. The final segment delves into the logarithmic relationship between earthquake magnitude and energy release. It demonstrates how exponential energy growth can be linearized using logarithmic scales for easier data visualization. Key terms include tsunami, seismic waves, logarithmic scale, exponential growth, and energy magnitude. Applications include tsunami monitoring systems that utilize logarithmic data for efficient early warnings.

This video aligns closely with the topic of Logarithmic Functions. Logarithmic functions are pivotal in understanding growth and decay processes in mathematics. By examining these functions, students gain insight into their practical applications, such as in exponential decay models.

Teacher's Script: "Today, we will explore an intriguing concept related to logarithms. This video provides a detailed explanation of how logarithms relate to exponential processes, including practical applications in real-life scenarios."

For a complete collection of videos related to Logarithmic Functions click on this link: Algebra Applications: Logarithmic Functions Collection.

Common Core Standards CCSS.MATH.CONTENT.HSF.LE.A.4
Duration 7.65 minutes
Grade Range 6 - 11
Curriculum Nodes Algebra
    • Exponential and Logarithmic Functions
        • Applications of Exponential and Logarithmic Functions
        • Exponential and Logarithmic Functions and Equations
        • Graphs of Exponential and Logarithmic Functions
Copyright Year 2020
Keywords algebra, logarithmic functions, applications of logarithmic functions, tsunamis, earthquakes, earthquake magnitude, Closed Captioned Video