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Published byAnissa Marianna Hunt
Modified over 3 years ago
Objectives: I will be able to… Rewrite equations between exponential and logarithmic forms Evaluate logarithms Solve logarithms Vocabulary: logarithms, natural logarithms
Why learn about logarithms? 5.1-5.4 were all about exponents A logarithm is the inverse of an exponent We can use logarithms to solve for a missing exponential value
Logarithmic Function base number exponent
RewriteExponents ⟶ Logs b = 6a=3 x = 216 b = 10 a=-2 x =.01 b= e a=-3 x =.0498
Two special types of logarithms: Logarithmic Function
If not an equation, let log equal y as in general form. =y No base means base 10. =y 10 e
Logarithmic Function Change form of logarithm. Change form of 729. Use exponent rules. Not matching exponents, must get rid of exponent with x.
pg. 194 #1-7 odd, 12, 14, 17 Homework
Homework- Day 2 pg. 196-197 #36-42 even, 47
Logarithmic Equations Unknown Exponents Unknown Number Solving Logarithmic Equations Natural Logarithms.
9.4 Properties of Logarithms. Since a logarithmic function is the inverse of an exponential function, the properties can be derived from the properties.
WARM - UP. SOLVING EXPONENTIAL & LOGARITHMIC FUNCTIONS SECTION 3.4.
Questions over 4.6 HW???. 4.7 (Green) Solve Exponential and Logarithmic Equations No School: Monday Logarithms Test: 1/21/10 (Thursday)
Objectives: 1.Be able to convert a logarithmic function into an exponential function. 2.Be able to convert an exponential function into a logarithmic function.
LOGS EQUAL THE The inverse of an exponential function is a logarithmic function. Logarithmic Function x = log a y read: “x equals log base a of y”
Use mental math to evaluate.
6.6 – Solving Exponential Equations Using Common Logarithms. Objective: TSW solve exponential equations and use the change of base formula.
Algebra II w/trig. A logarithm is another way to write an exponential. A log is the inverse of an exponential. Definition of Log function: The logarithmic.
6.3A – Logarithms and Logarithmic Functions Objective: TSW evaluate logarithmic expressions.
Academy Algebra II/Trig 6.6: Solve Exponential and Logarithmic Equations Unit 8 Test ( ): Friday 3/22.
Solving Exponential and Logarithmic Equations Section 8.6.
Unit 5: Modeling with Exponential & Logarithmic Functions Ms. C. Taylor.
Turn in your Quiz!!! Complete the following:. Section 11-5: Common Logarithms The questions are… What is a common log? How do I evaluate common logs?
Section 11-4 Logarithmic Functions. Vocabulary Logarithm – y is called this in the function Logarithmic Function – The inverse of the exponential function.
6.4 – Solving Logarithmic Equations and Inequalities Objective: TSW solve logarithmic equations and inequalities.
8.3-4 – Logarithmic Functions. Logarithm Functions.
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