Videos from my course lectures. The course is Precalculus Trigonometry and is being delivered through interactive television.
20:05
172 4_6_2 Exponential Growth and Decay M2U00378.mp4
An exploration of exponential growth and decay, including the concept of a half-life. © 2008 by Raymond E. Griffith.
22:29
172 4_6_1_A Exponential Growth _ Money M2U00377.mp4
A demonstration of exponential growth with a savings account. Formula development. © 2008 by Raymond E. Griffith.
16:13
172 4_6_1_B Exponential Growth _ Money M2U00377.mp4
A demonstration of exponential growth with a savings account. Formula development. © 2008 by Raymond E. Griffith.
Two tricky exponential equations worked out. One involved a hidden quadratic. © 2008 by Raymond E. Griffith.
Homework questions on exponential and logarithmic equations worked. © 2008 by Raymond E. Griffith.
Continuing look at problem-solving strategies for exponents and logarithms. © 2008 by Raymond E. Griffith.
Introduction to problem-solving with exponents and logarithms. © 2008 by Raymond E. Griffith.
11:31
4_5_1 Solving Equations (Preliminaries).mp4
Basic (very) review of solving equations from algebra. Useful as an introduction to problem-solving with exponents and logarithms. © 2008 by Raymond E. Griffith.
19:12
172 4_4_6 Homework and Review pt. 2 _ Properties of Logarithms.mp4
Homework questions answered about the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
22:20
172 4_4_5 Homework and Review _ Properties of Logarithms.mp4
Homework questions answered about the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
Development and use of the Change of Base Formula - one of the properties of logarithms - from the definitions. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
Practicing recognition and use of the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
Practicing recognition and use of the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
A development of the properties of logarithms from the definitions. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
Answering homework questions from the class on the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
Answering homework questions from the class on the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
Part 4 of the lecture introducing logarithmic functions and their properties. In this part we explore some homework exercises.
Part 3 of the lecture introducing logarithmic functions and their properties.
Part 2 of the lecture introducing logarithmic functions and their properties.
Part 1 of the lecture introducing logarithmic functions and their properties.
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