https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:co-ordinate-geometry/x06d55bfa213a79fd:cartesian-system/v/equations-of-x-axis-and-y-axis 2025-08-15T17:11:32.994659184Z Equations of X-axis and Y-axis In this video, we explore the fundamental equations of the coordinate axes in a 2D Cartesian plane. The X-axis is defined by the equation y = 0, representing all points where the vertical coordinate vanishes, while the Y-axis follows x = 0, showing points where the horizontal coordinate is zero. We then dive into a simple but crucial distinction between (x, y) and (y, x): the order of values matters! Through intuitive visuals and relatable examples, we clarify how reversing the coordinates leads to distinct placements, reinforcing why coordinate order is essential in graphing and geometry. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Unit link 00:00 Finding the equation for x-axis 02:42 Finding the equation for y-axis 04:30 (x,y) is not same as (y,x) Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Mahak Mahak Wasan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Equations of X-axis and Y-axis In this video, we explore the fundamental equations of the coordinate axes in a 2D Cartesian plane. The X-axis is defined by the equation y = 0, representing all points where the vertical coordinate vanishes, while the Y-axis follows x = 0, showing points where the horizontal coordinate is zero. We then dive into a simple but crucial distinction between (x, y) and (y, x): the order of values matters! Through intuitive visuals and relatable examples, we clarify how reversing the coordinates leads to distinct placements, reinforcing why coordinate order is essential in graphing and geometry. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Unit link 00:00 Finding the equation for x-axis 02:42 Finding the equation for y-axis 04:30 (x,y) is not same as (y,x) Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Mahak https://cdn.kastatic.org/ka-youtube-converted/gXKOihubbOM.mp4/gXKOihubbOM.mp4 332 Points on a coordinate plane https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:co-ordinate-geometry/x06d55bfa213a79fd:cartesian-system/v/signs-of-the-coordinates-and-the-quadrant-of-a-point 2025-08-15T17:11:32.994659184Z Signs of the coordinates and the quadrant of a point In this video, we break down the powerful link between the signs of a point’s coordinates and the quadrant it belongs to on the Cartesian plane. You’ll learn how to instantly identify the quadrant of any point. By analyzing whether the 𝑥 and 𝑦 values are positive or negative, you can pinpoint a point's quadrant without ever drawing the graph. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Unit link 00:00 Introduction to quadrants 00:24 How are signs for quadrants determined? 02:40 How to know the quadrants without plotting the points? Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Mahak Mahak Wasan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Signs of the coordinates and the quadrant of a point In this video, we break down the powerful link between the signs of a point’s coordinates and the quadrant it belongs to on the Cartesian plane. You’ll learn how to instantly identify the quadrant of any point. By analyzing whether the 𝑥 and 𝑦 values are positive or negative, you can pinpoint a point's quadrant without ever drawing the graph. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Unit link 00:00 Introduction to quadrants 00:24 How are signs for quadrants determined? 02:40 How to know the quadrants without plotting the points? Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Mahak https://cdn.kastatic.org/ka-youtube-converted/QS9qP1QyrXY.mp4/QS9qP1QyrXY.mp4 291 Points on a coordinate plane https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:co-ordinate-geometry/x06d55bfa213a79fd:cartesian-system/e/signs-of-the-coordinates-of-a-point-and-the-quadrant-of-a-point 2026-02-11T08:39:31.456454846Z Signs of the coordinates of a point and the quadrant of a point In this exercise students learn about the quadrant of a point from the knowledge of the coordinates of the point, this deduction comes form the signs of the x and y coordinates Devashish Phadnis exercise https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:co-ordinate-geometry/x06d55bfa213a79fd:cartesian-system/v/locate-a-point-abscissa-and-ordinate 2026-03-11T06:20:45.557347727Z Locate a point - abscissa and ordinate Get comfortable with coordinate geometry by learning how to locate points on a graph the easy way. This video explains the axes and origin, the meaning of positive and negative directions, and how abscissa (x-coordinate) and ordinate (y-coordinate) work. With a simpler method to find coordinates and plenty of clear examples using graph-paper style visuals, you’ll be able to plot and read points confidently. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Locate a point - abscissa and ordinate Get comfortable with coordinate geometry by learning how to locate points on a graph the easy way. This video explains the axes and origin, the meaning of positive and negative directions, and how abscissa (x-coordinate) and ordinate (y-coordinate) work. With a simpler method to find coordinates and plenty of clear examples using graph-paper style visuals, you’ll be able to plot and read points confidently. https://cdn.kastatic.org/ka-youtube-converted/1midxXcI3Jg.mp4/1midxXcI3Jg.mp4 533 Points on a coordinate plane https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:co-ordinate-geometry/x06d55bfa213a79fd:plotting-a-point-on-the-cartesian-plane/v/points-and-quadrants-example-indian-accent 2025-06-04T10:04:13.13703146Z Points and quadrants example Plotting points on a graph involves moving along the x and y axes. Positive x-values move right, negative x-values move left. Positive y-values move up, negative y-values move down. The graph is divided into four quadrants, helping us locate points easily. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Points and quadrants example Plotting points on a graph involves moving along the x and y axes. Positive x-values move right, negative x-values move left. Positive y-values move up, negative y-values move down. The graph is divided into four quadrants, helping us locate points easily. https://cdn.kastatic.org/ka-youtube-converted/3Ks6z0JiCS4.mp4/3Ks6z0JiCS4.mp4 116 Points on a coordinate plane https://www.khanacademy.org/math/cc-sixth-grade-math/x0267d782:coordinate-plane/cc-6th-coordinate-plane/e/identifying_points_1 2026-04-01T22:40:57.156640398Z Points on the coordinate plane Practice graphing points like (-2, 4) on a coordinate plane. Ben Eater exercise https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:co-ordinate-geometry/x06d55bfa213a79fd:plotting-a-point-on-the-cartesian-plane/e/coordinates-from-the-cartesian-graph 2024-06-07T11:52:43.675181334Z Finding points on the cartesian plane This exercise is about finding coordinates from the points on the cartesian plane and created for new ncert Devashish Phadnis exercise