https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:systems-of-equations/x2f8bb11595b61c86:introduction-to-systems-of-equations/v/solving-systems-graphically 2021-06-21T15:29:10Z Systems of equations with graphing: y=7/5x-5 & y=3/5x-1 Sal graphs the following system of equations and solves it by looking for the intersection point: y=7/5x-5 and y=3/5x-1. Sal Khan video https://cdn.kastatic.org/googleusercontent/jmKPgEP2ePAnbt52yGyOU-3SO5b0FTZiIJ9xeqsoitZHmJHEx_DNwpk-oA-IZbx9WgPCCVer_d1DHhya9DjixZHm Systems of equations with graphing: y=7/5x-5 & y=3/5x-1 Sal graphs the following system of equations and solves it by looking for the intersection point: y=7/5x-5 and y=3/5x-1. https://cdn.kastatic.org/ka-youtube-converted/VhH2nEDCd68.mp4/VhH2nEDCd68.mp4 142 Graphs of Functions https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:systems-of-equations/x2f8bb11595b61c86:introduction-to-systems-of-equations/e/graphing_systems_of_equations 2026-03-24T23:41:07.080866137Z Systems of equations with graphing Graph a system of equations in slope-intercept or standard form, and find their solution using the graphs. Tomer Gal exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:exponential-growth-decay/x2f8bb11595b61c86:exponential-decay/v/graphing-basic-exponential-functions 2022-10-06T23:01:00.745424633Z Graphing exponential growth & decay Graphing the exponential functions y=27⋅(⅓)ˣ and y=-30⋅2ˣ. video https://cdn.kastatic.org/ka_thumbnails_cache/9a2bcbbe-17a9-449c-8c31-1657dff4a3c5_1280_720_base.png Graphing exponential growth & decay Graphing the exponential functions y=27⋅(⅓)ˣ and y=-30⋅2ˣ. https://cdn.kastatic.org/ka-youtube-converted/RVv0Jgi3Pbw.mp4/RVv0Jgi3Pbw.mp4 246 Graphs of Functions https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:exponential-growth-decay/x2f8bb11595b61c86:exponential-decay/e/graphs-of-basic-exponential-functions 2026-04-07T23:17:37.123726494Z Graphing exponential growth & decay Graph exponential functions of the basic form f(x)=a⋅rˣ. Sid Patel exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:exponential-growth-decay/x2f8bb11595b61c86:exponential-functions-from-tables-graphs/v/constructing-linear-and-exponential-functions-from-graph 2022-11-16T04:22:43.7414897Z Writing exponential functions from graphs Given a graph of a line, we can write a linear function in the form y=mx+b by identifying the slope (m) and y-intercept (b) in the graph. GIven a graph of an exponential curve, we can write an exponential function in the form y=ab^x by identifying the common ratio (b) and y-intercept (a) in the graph. Sal Khan video https://cdn.kastatic.org/googleusercontent/62pxi7wErqGyMz2IbFpUuy_2BykQgj3aKuxDUDicMECiIfndQ_Ky8fd9heJ0Y4-2mNSWQVN8d4-62IpP3aDvZ1ub Writing exponential functions from graphs Given a graph of a line, we can write a linear function in the form y=mx+b by identifying the slope (m) and y-intercept (b) in the graph. GIven a graph of an exponential curve, we can write an exponential function in the form y=ab^x by identifying the common ratio (b) and y-intercept (a) in the graph. https://cdn.kastatic.org/ka-youtube-converted/gFdh_rE2XgU.mp4/gFdh_rE2XgU.mp4 445 Graphs of Functions https://www.khanacademy.org/math/ap-calculus-ab/ab-differentiation-1-new/ab-2-1/v/derivative-as-slope-of-tangent-line 2023-07-27T01:47:53.920337803Z The derivative & tangent line equations Discover how the derivative of a function reveals the slope of the tangent line at any point on the graph. We'll explore how to use this powerful tool to determine the equation of the tangent line, enhancing our understanding of instantaneous rates of change. video https://cdn.kastatic.org/ka_thumbnails_cache/0cf570cc-9e29-4ea8-9166-bcba1e66dcee_1280_720_base.png The derivative & tangent line equations Discover how the derivative of a function reveals the slope of the tangent line at any point on the graph. We'll explore how to use this powerful tool to determine the equation of the tangent line, enhancing our understanding of instantaneous rates of change. https://cdn.kastatic.org/ka-youtube-converted/fqQ6sslzyhY.mp4/fqQ6sslzyhY.mp4 453 Graphs of Functions https://www.khanacademy.org/math/ap-calculus-ab/ab-differentiation-1-new/ab-2-1/e/derivative-at-a-point-as-slope-of-tangent-line 2021-06-30T11:39:35Z The derivative & tangent line equations Analyze derivatives of functions at specific points as the slope of the lines tangent to the functions' graphs at those points. Tomer Gal exercise