https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:log-prop/v/introduction-to-logarithm-properties 2021-06-30T17:32:40Z Intro to logarithm properties (1 of 2) Sal introduces the logarithm identities for addition and subtraction of logarithms. Sal Khan video https://cdn.kastatic.org/googleusercontent/nzxy-IVnxWaW853loCOsr_TO6wouI3i0a4bHGL0q5bb_5-zRXhbax5LHz-9nuvkjyGKSZNxiidIs2_1ODvT7ocFl Intro to logarithm properties (1 of 2) Sal introduces the logarithm identities for addition and subtraction of logarithms. https://cdn.kastatic.org/ka-youtube-converted/PupNgv49_WY.mp4/PupNgv49_WY.mp4 556 Logarithmic function manipulation https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:log-prop/v/introduction-to-logarithm-properties-part-2 2021-06-30T17:32:38Z Intro to logarithm properties (2 of 2) Sal introduces the logarithm identities for multiplication of logarithm by a constant, and the change of base rule. Sal Khan video https://cdn.kastatic.org/googleusercontent/oldCPdfzyfwKtz0lxMji9ZEt-Nau-FEnKaRQWr6BpDyEgcuA17Km-UJApBrtIFhWDW8N6ou6moT-zWtsO7Q0Jcek Intro to logarithm properties (2 of 2) Sal introduces the logarithm identities for multiplication of logarithm by a constant, and the change of base rule. https://cdn.kastatic.org/ka-youtube-converted/TMmxKZaCqe0.mp4/TMmxKZaCqe0.mp4 604 Logarithmic function manipulation https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:log-prop/v/logarithm-of-a-power 2021-06-30T17:32:36Z Using the logarithmic power rule Sal rewrites log₅(x³) as 3log₅(x). Sal Khan video https://cdn.kastatic.org/googleusercontent/JxsKX2I589_-eB_dH7R6UewKd_mAmWHv-oSLHZo6EM_qGogJOQscodPVmb12I-6g6Yr3xg1v8UsCL7afMtOjhSeR Using the logarithmic power rule Sal rewrites log₅(x³) as 3log₅(x). https://cdn.kastatic.org/ka-youtube-converted/Pb9V374iOas.mp4/Pb9V374iOas.mp4 289 Logarithmic function manipulation https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:log-prop/v/sum-of-logarithms-with-same-base 2021-06-30T17:32:36Z Using the logarithmic product rule Sal rewrites log₃(27x) as log₃(27)+log_3(x), which is simplified as 3+log₃(x). Sal Khan video https://cdn.kastatic.org/googleusercontent/5MtLeuscbvcpVcHJ0-Qt3nt1E1p_CrCCvm4UcbsVhEOzA_61CdCCHHAkRodqwHd8UISxK1_NTwC7y5fLlvGgGynO Using the logarithmic product rule Sal rewrites log₃(27x) as log₃(27)+log_3(x), which is simplified as 3+log₃(x). https://cdn.kastatic.org/ka-youtube-converted/pkGrXzakRFs.mp4/pkGrXzakRFs.mp4 304 Logarithmic function manipulation https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:log-prop/e/logarithms_2 2025-12-22T06:46:20.288709789Z Use the properties of logarithms Use the properties of logarithms in order to rewrite a given expression in an equivalent, different form. Rob Yates exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:log-prop/v/using-multiple-logarithm-properties-to-simplify 2021-06-30T17:32:36Z Using the properties of logarithms: multiple steps Sal rewrites log_5([25^x]/y) as 2x-log_5(y) by using both the log subtraction property and the log multiplied by a constant property. Sal Khan video https://cdn.kastatic.org/googleusercontent/5VlTSPMDj30LcBC1BjamB_Cu5qwPr5bN17ZobcRYp150nYz1jqNwUTFqHNaRKVrBHg3FJzcIvR_47SCrDzAHhJNC Using the properties of logarithms: multiple steps Sal rewrites log_5([25^x]/y) as 2x-log_5(y) by using both the log subtraction property and the log multiplied by a constant property. https://cdn.kastatic.org/ka-youtube-converted/RhzXX5PbsuQ.mp4/RhzXX5PbsuQ.mp4 130 Logarithmic function manipulation https://www.khanacademy.org/math/ap-precalculus/xe322600f784e4778:exponential-and-logarithmic-functions/xe322600f784e4778:use-multiple-properties-of-logarithms/e/use-multiple-properties-of-logarithms 2026-06-26T19:21:03.457278957Z Use multiple properties of logarithms Apply the properties of logarithms to expand, condense and compare logarithmic expressions Courtney Chernin-Hitchings exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:logs/x2ec2f6f830c9fb89:change-of-base/a/logarithm-properties-review 2021-06-30T17:32:35Z Logarithm properties review Review the logarithm properties and how to apply them to solve problems. article