1.0齊齊溫https://www.study-together.com/eduWingSirhttps://www.study-together.com/edu/author/takwing1hk/rich600338<blockquote class="wp-embedded-content" data-secret="m6ZXuVtBXM"><a href="https://www.study-together.com/edu/secondary/form3_maths/coordinate-geometry/">8. 坐標幾何 (Coordinate Geometry)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.study-together.com/edu/secondary/form3_maths/coordinate-geometry/embed/#?secret=m6ZXuVtBXM" width="600" height="338" title="8. 坐標幾何 (Coordinate Geometry) — 齊齊溫" data-secret="m6ZXuVtBXM" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.study-together.com/edu/wp-includes/js/wp-embed.min.js </script> 喺中一、中二嘅時候，大家已經對 坐標幾何 有初步的認識。喺中三嘅坐標幾何入面，大家要學兩點間的距離、直線的斜率(再利用兩線的斜率來判斷平行線與垂直線)、分點兩點的中點等。數唔算難，只係坐標嘅數同大家做開嘅文字題、解方程、化簡等有少少唔同，大家習慣吓問題應不大。大家一齊努力!https://www.study-together.com/edu/wp-content/uploads/2020/07/f3maths_coordinate.jpg