定直线 Trad. 定直線 dìng zhí xiàn directrix of a parabolaYabla Languages Learn Spanish Learn French Learn Italian Learn German Learn Chinese Learn English Get Yabla Buy Individual subscription Buy School/Organization subscription QUOTE for School/Organization Signup for students Sign up with ...
Directrix of a Parabola Alineperpendicularto theaxis of symmetryused in the definition of aparabola. A parabola is defined as follows: For a givenpoint, called thefocus, and a given line not through the focus, called thedirectrix, a parabola is thelocusof points such that the distance to th...
Define directrix. directrix synonyms, directrix pronunciation, directrix translation, English dictionary definition of directrix. n. pl. di·rec·trix·es or di·rec·tri·ces 1. Mathematics A fixed curve traversed by a generatrix in generating a conic s
Equation of a Parabola | Focus & Directrix Formula Foci of Ellipses & Hyperbolas | Definition & Examples 6:11 Ellipse Foci Formula & Calculations 5:08 Hyperbola Equation | Foci Formula, Parts & Example 7:07 Practice with the Conic Sections 5:38 Ch 6. Comm...
Step 3:Find the focus and directrix of the parabola using the equations. Equations and Definitions for Finding the Focus & Directrix of a Parabola Parabola:A parabola is a curved shape where any point is at an equal distance from a fixed point, and a fixed straight line. The fixed point ...
准线 Trad. 準線 zhǔn xiàn directrix line of a parabola guide line Show Strokes Browse Dictionary 准则 | zhunze | zhun ze 准噶尔 | Zhungaer | Zhun ga er 准噶尔翼龙 | Zhungaeryilong | Zhun ga er yi long 准将 | zhunjiang | zhun jiang 准星 | zhunxing | zhun xing 准时 ...
Answer to: Find the vertex, focus, and directrix of the parabola and sketch its graph. Use a graphing utility to verify the graph. (x + 1)^2 - 8(y...
Find the vertex, focus, and directrix of the... Learn more about this topic: Parabola | Definition, Formula & Examples from Chapter 15/ Lesson 6 34K Learn about parabolas. Understand what a parabola is, learn how to find the focus of a parabola, examine t...
定直线 Trad. 定直線 dìng zhí xiàn directrix of a parabolaBrowse Dictionary 定标 | dingbiao | ding biao 定标器 | dingbiaoqi | ding biao qi 定洋 | dingyang | ding yang 定海 | Dinghai | Ding hai 定海区 | Dinghaiqu | Ding hai qu 定然 | dingran | ding ran 定理 | ...
Define directrixes. directrixes synonyms, directrixes pronunciation, directrixes translation, English dictionary definition of directrixes. n. pl. di·rec·trix·es or di·rec·tri·ces 1. Mathematics A fixed curve traversed by a generatrix in generating