https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:modeling/x2ec2f6f830c9fb89:modeling-with-multiple-variables/v/interpreting-expressions-with-multiple-variables-resistors 2022-10-06T23:23:50.639907812Z Interpreting expressions with multiple variables: Resistors Given the expression for the total resistance in an electric circuit with two resistors, analyze the expression to tell what happens to the total resistance when the resistance of one resistor increases and the resistance of the other resistor stays the same. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/ceb58d3f-18fa-4beb-b628-8a4701357a68_1280_720_base.png Interpreting expressions with multiple variables: Resistors Given the expression for the total resistance in an electric circuit with two resistors, analyze the expression to tell what happens to the total resistance when the resistance of one resistor increases and the resistance of the other resistor stays the same. https://cdn.kastatic.org/ka-youtube-converted/8ffMjFXiW9A.mp4/8ffMjFXiW9A.mp4 207 Modeling with multiple variables https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:modeling/x2ec2f6f830c9fb89:modeling-with-multiple-variables/v/interpreting-expressions-with-multiple-variables-cylinder 2022-10-06T23:23:50.639907812Z Interpreting expressions with multiple variables: Cylinder Given the vale and the expression for the radius of a cylinder, find the radius of a cylinder with the same volume and 100 times the height. This involves analyzing the expression for the radius to see how changing the height affects the radius. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/2721c6f7-701c-4066-9b7b-b61973d825ca_1280_720_base.png Interpreting expressions with multiple variables: Cylinder Given the vale and the expression for the radius of a cylinder, find the radius of a cylinder with the same volume and 100 times the height. This involves analyzing the expression for the radius to see how changing the height affects the radius. https://cdn.kastatic.org/ka-youtube-converted/k00KEcYijo8.mp4/k00KEcYijo8.mp4 215 Modeling with multiple variables https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:modeling/x2ec2f6f830c9fb89:modeling-with-multiple-variables/e/interpreting-multivar-expressions 2021-08-05T16:56:59.817978281Z Interpreting expressions with multiple variables Interpret complicated expressions in terms of the real-world situation they model. Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:modeling/x2ec2f6f830c9fb89:modeling-with-multiple-variables/a/modeling-faq 2022-11-24T02:28:55.815015347Z Modeling: FAQ Frequently asked questions about modeling article