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[DOC File]type worksheet title here - St. Joseph High School
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Feb 08, 2011 · 8.00 = -log(4.0 x 10-8) + log(x)/(.05 – x). Solve for x = .2 moles of strong base. (.1 M)(V) = .2 moles. The correct choice was C, 2 liters. 8. Determine the pH of a solution in which 1.00 mol H2CO3 (Ka = 4.2 x 10-7) and 1.00 mole NaHCO3 are dissolved in …
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[DOC File]logarithm equations
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Dec 06, 2006 · Solve each of the following equations for x: 1. log(x) + log(x+9) = 1 2. log(x) – log(x + 3) = 1. 3. log(x + 9) – log(x) = 1 4. log(2x + 1) – log(x – 9) = 1
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[DOC File]Log – Problems
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Let u = log3 x (x > 0 and since ‘x’ is in the base position of a log, x is not 1.) 52. x, y > 0 We’ll work with equation #1 and then substitute into #2.
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[DOCX File]MA-E1 Logarithms and exponentials Y11
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Students could use mira mirrors or graphing software to reflect the exponential curve in the line y=x to establish the results e log e x =x, x>0 and log e e x =x Students should compare the graph of a natural logarithm with logarithms in other bases and notice the difference in the shape of the graphs
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[DOC File]Properties of Logarithms
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Solve each equation. 9. log6 x + log6 9 = log6 54 10. log8 48 – log8 w = log8 4. 11. log7 n = log7 8 12. log3 y = log3 16 + log3 64. 13. log9 (3u – 14) – log9 5 = log9 2u 14. log7 x + log7 x – log7 3 = log7 12 . 15. 4log2 x + log2 5 = log2 405 16. log6 (2x – 5) + 1 = log6 (7x + 10) ...
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[DOC File]Logarithms - Algebra 2 & Precalculus Honors
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Solve for x log 2 (x + 7) + log 2 x = 3 . a) b) 1 c) not possible d) none of these. Evaluate . a) x b) c) not possible d) none of these. What is the solution of ? a) (2 b) 0 c) 2 d) 4. Find the approximate value of the expression log 16 160 . a) 0.54 b) 1.83 c) 2.20 d) 10. Find the value of the expression eln2.5 . a) 30 b) 12.2 c) 2.5 d) 0.9 ...
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[DOC File]Precal
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Then use the _____ of logs to bring the exponent down to solve. (for this one round to the nearest hundredth) Ex3) 3x – 2 = 7 Ex4) 102x – 3 + 4 = 21 Ex5) 9x + 1 = 11x – 3 . Solve each logarithmic equation: Ex6) log5(3x + 1 ) = 2 Ex7) log x2 = 2 You should ALWAYS check your answers when solving equations. This becomes even more important ...
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[DOC File]Activity: Analyzing the Relationship between Logarithmic ...
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Consider the following function: f(x) = log(x) Make a graph of f(x) using your graphing calculator. The table below lists a series of nine output values from f(x). Fill in the table by using the graph and the TABLE to estimate the missing x values. TABLE 1. X F(x) .05 .33 .89 1.2 1.5 1.75 2.1 2.3 2.5
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[DOC File]Pre-calculus Exponential & Logarithmic Functions Name
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Solve exponential & logarithmic equations symbolically and graphically. 1) 2x = 95 2) 4 log (x + 3) = 9. Solve exponential & logarithmic equations symbolically and graphically. 3) 25ex = 1000 4) 2 log 4 – (1/4) log 16 = log x . Simplify logarithmic functions using the properties of logarithms. ...
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Precalculus Chapter 3 Review: Exponential & Logarithmic ...
7x = 13 log y = z. Condense each of the following expressions into a single log: 11. 3log(x + 1) + log y – 2log x 12. ln(x – 5) – 2ln(x2 + 1) + 3ln y. 13. (log3 x + log3 2 – log3 y + 3log3 z) Expand each of the following expressions into a sum/difference of multiples of simple logarithms: 14. log 15. ln. 16. log5
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Log x a solve for x 2