https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:linear-equations-graphs/x2f8bb11595b61c86:two-variable-linear-equations-intro/v/2-variable-linear-equations-graphs 2020-12-28T16:56:57Z Two-variable linear equations intro Learn about a class of equations in two variables that's called "linear equations." They are called that way because their graph is a line. These are the most basic and probably most useful equations you will ever know! video https://cdn.kastatic.org/googleusercontent/ty2fFPJLOpy2BhOWaTr1bILvLfZlJqfFX-Esylm3ERF45F2EuUxC3D600MeP4j9ukxgzPVVHdvo039pDXcwcqHwwbQ Two-variable linear equations intro Learn about a class of equations in two variables that's called "linear equations." They are called that way because their graph is a line. These are the most basic and probably most useful equations you will ever know! https://cdn.kastatic.org/ka-youtube-converted/AOxMJRtoR2A.mp4/AOxMJRtoR2A.mp4 501 Intro to slope-intercept form https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:intro-to-slope-intercept-form/v/slope-intercept-form 2022-11-16T04:22:43.7414897Z Intro to slope-intercept form Slope-intercept form (y=mx+b) of linear equations highlights the slope (m) and the y-intercept (b) of a line. Watch this video to learn more about it and see some examples. video https://cdn.kastatic.org/googleusercontent/cnFnojSACauxu8WEhYXfJK_pGZ62mxsoB7_lEzEfUNWXWQxfBv0xz9A_FW1dGSN31wOk8v-I9XNuR54FN3GwWdgc Intro to slope-intercept form Slope-intercept form (y=mx+b) of linear equations highlights the slope (m) and the y-intercept (b) of a line. Watch this video to learn more about it and see some examples. https://cdn.kastatic.org/ka-youtube-converted/IL3UCuXrUzE.mp4/IL3UCuXrUzE.mp4 540 Intro to slope-intercept form https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:intro-to-slope-intercept-form/v/less-obvious-slope-intercept-form 2022-11-16T04:22:43.7414897Z Slope and y-intercept from equation In an equation in slope-intercept form (y=mx+b) the slope is m and the y-intercept is b. We can also rewrite certain equations to look more like slope-intercept form. For example, y=x can be rewritten as y=1x+0, so its slope is 1 and its y-intercept is 0. video https://cdn.kastatic.org/googleusercontent/vyDhDp1mxh7oVXou7sgYlEa9opOksf3bBTznJsUf8jXCFqSFZ4tlPcQoKUMDFKmyAhyLnMLrdZE36agvvkSJXWs Slope and y-intercept from equation In an equation in slope-intercept form (y=mx+b) the slope is m and the y-intercept is b. We can also rewrite certain equations to look more like slope-intercept form. For example, y=x can be rewritten as y=1x+0, so its slope is 1 and its y-intercept is 0. https://cdn.kastatic.org/ka-youtube-converted/Z65mz__8DQ0.mp4/Z65mz__8DQ0.mp4 250 Intro to slope-intercept form https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:intro-to-slope-intercept-form/v/slope-intercept-intro-examples 2022-10-06T11:39:29.972393653Z Worked examples: slope-intercept intro Worked examples practicing the relationship between slope, y-intercept, and linear equation in slope-intercept form. video https://cdn.kastatic.org/ka_thumbnails_cache/a43cd314-87ae-43bc-a706-09b2c730909b_1280_720_base.png Worked examples: slope-intercept intro Worked examples practicing the relationship between slope, y-intercept, and linear equation in slope-intercept form. https://cdn.kastatic.org/ka-youtube-converted/qgsNNqmlLoA.mp4/qgsNNqmlLoA.mp4 226 Intro to slope-intercept form https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:intro-to-slope-intercept-form/e/slope-from-an-equation-in-slope-intercept-form 2025-02-27T11:46:16.621461116Z Slope-intercept intro Practice your basic understanding of slope-intercept form for linear equations. Tomer Gal exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:graphing-slope-intercept-equations/v/graphing-a-line-in-slope-intercept-form 2021-06-21T15:29:13Z Graph from slope-intercept equation To graph a linear equation in slope-intercept form, we can use the information given by that form. For example, y=2x+3 tells us that the slope of the line is 2 and the y-intercept is at (0,3). This gives us one point the line goes through, and the direction we should continue from that point to draw the entire line. Sal Khan video https://cdn.kastatic.org/googleusercontent/jjE5XuBSumnBo1Z-dEubApFfOW0p2JE5PEI9X9p6ENJjp7JP1TA6Ah-cT2eZRu5mAMhLOSeNsFs5cRi6UWJ85Yb_ng Graph from slope-intercept equation To graph a linear equation in slope-intercept form, we can use the information given by that form. For example, y=2x+3 tells us that the slope of the line is 2 and the y-intercept is at (0,3). This gives us one point the line goes through, and the direction we should continue from that point to draw the entire line. https://cdn.kastatic.org/ka-youtube-converted/uk7gS3cZVp4.mp4/uk7gS3cZVp4.mp4 181 Intro to slope-intercept form https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:graphing-slope-intercept-equations/a/graphing-slope-intercept-form 2022-04-27T20:03:03.137387157Z Graphing slope-intercept form Learn how to graph lines whose equations are given in the slope-intercept form y=mx+b. article https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:graphing-slope-intercept-equations/a/graphing-lines-review 2022-04-27T20:03:03.137387157Z Graphing lines from slope-intercept form review Slope intercept form is y=mx+b, where m is slope and b is the y-intercept. We can use this form of a linear equation to draw the graph of that equation on the x-y coordinate plane. article https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:graphing-slope-intercept-equations/e/graph-from-slope-intercept-equation 2026-04-07T23:17:37.123726494Z Graph from slope-intercept form Practice drawing the graph of a line given in slope-intercept form. For example, graph y = 3x + 2. Tomer Gal exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:writing-slope-intercept-equations/v/graphs-using-slope-intercept-form 2021-06-30T17:32:38Z Slope-intercept equation from graph Learn to write equations in slope-intercept form for three different lines. Sal Khan video https://cdn.kastatic.org/googleusercontent/Swr9Lqb06mdeb0T8fAlaKX3MMxim12Gw-8G16X5ZdzPAZuteaN9opFbpW4RJbUABgFwFY0hMB6ZIilSyusiItQ5S Slope-intercept equation from graph Learn to write equations in slope-intercept form for three different lines. https://cdn.kastatic.org/ka-youtube-converted/9wOalujeZf4.mp4/9wOalujeZf4.mp4 671 Intro to slope-intercept form https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:writing-slope-intercept-equations/e/slope-intercept-equation-from-graph 2025-12-05T17:50:48.257884144Z Slope-intercept equation from graph Practice finding the slope-intercept equation of a line from its graph. Tomer Gal exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:writing-slope-intercept-equations/v/equation-of-a-line-3 2022-11-16T04:22:43.7414897Z Slope-intercept equation from two points Given two points on a line, we can write an equation for that line by finding the slope between those points, then solving for the y-intercept in the slope-intercept equation y=mx+b. In this example, we write an equation of the line that passes through the points (-1,6) and (5,-4). Sal Khan video https://cdn.kastatic.org/googleusercontent/otj__bWuSXnE5StgeN_MWBfBPJc7w5-tt_0RE_M-7vwJ7cBK_MJuUoNFxHPAtyKiNiL5VnrV8yd-D2AirNOh8ksi Slope-intercept equation from two points Given two points on a line, we can write an equation for that line by finding the slope between those points, then solving for the y-intercept in the slope-intercept equation y=mx+b. In this example, we write an equation of the line that passes through the points (-1,6) and (5,-4). https://cdn.kastatic.org/ka-youtube-converted/XMJ72mtMn4Y.mp4/XMJ72mtMn4Y.mp4 402 Intro to slope-intercept form https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:writing-slope-intercept-equations/a/slope-intercept-form-review 2022-04-27T20:03:03.137387157Z Slope-intercept form review Review slope-intercept form and how to use it to solve problems. article https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:writing-slope-intercept-equations/e/slope-intercept-equation-from-two-points 2024-06-26T21:44:31.760146908Z Slope-intercept from two points Practice finding the equation of a line passing through two points. Tomer Gal exercise