Directrix & Focus of a Parabola | Equation & Examples from Chapter 5/ Lesson 1 37K The directrix and focus of a parabola determine its shape, size, and direction. There is a formula for finding the directrix and focus. Examples are included. ...
The apparatus () comprises a turret (), rotatable about a first axis (B-B′), a slide () mounted on the turret () and a sensor () mounted for sliding in the slide () along a third axis (C-C′) substantially parallel to the first axis (B-... JM Meunier,JJ Videcoq - US 被...
所以，常数部分必须对应相等5/4 - R^2 = -5，R = 5/2 （3）对于焦点(focus)为(1, 2)，准线(directrix)为y = 6的抛物线，其函数表达式是？考察：抛物线基本知识以及函数的平移 对于抛物线x^2 = 2px，其焦点为(0, p/2)准线是y = -p/2，焦距是p/2 那么对于抛物线x^2 = -2px，其...
Find the equation of the parabola with focus (2, 0) and directrix x=−2. View Solution AAKASH INSTITUTE-CONIC SECTIONS-Try ypurself Find the equation of circle of radius 3, passing through the origin an... 01:17 Find the length of the latus rectum of the parabola x^(2) = -8y. ...
Answer and Explanation: I assumed what you meant was two points of intercepts with x- and y-axis. If that is correct, you can find the line equation as follow. Step 1. Find the line's gradient Recall that the general equation for a line is: y = mx + c w...
To solve the problem step by step, we will analyze the given ellipse and use the provided information about the latus rectum and eccentricity.Step 1: Understand the given ellipse The equation of the ellipse is given as: \( \fra
Find the shortest distance from the point (4,0) to a point on the parabola y^2 = 2x . Find the standard form of the equation of the parabola satisfying the given conditions: Focus: (6, 5) Directrix: x = ...