All
Search
Images
Videos
Shorts
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
11:29
Khan Academy
Focus & directrix of a parabola from equation
Given the parabola equation y-23/4=-1/3(x-1)^2, Sal finds the parabola's focus and directrix using the general formula for a parabola whose focus is (a,b) and directrix is y=k.
Jan 27, 2015
Focus Music
1:01:24
Focus Music • Stay Deeply Focused — Study, Work & Unlock High-Performance Flow
YouTube
FocusMode Audio
13 views
1 month ago
11:54:58
LIVE 24/7 Deep Focus Music – Distraction-Free Concentration for Work & Study
YouTube
Alpha Focus
153 views
1 month ago
1:12:05
Focus Music • Deep Work Flow for Studying, Creative Work & Ultra Focus Sessions
YouTube
FocusMode Audio
186 views
1 month ago
Top videos
4:07
Khan Academy
Khan Academy
Jan 26, 2015
4:39
Identifying if a parabola exists from given key features
Khan Academy
Sal Khan
6 months ago
0:18
Brazilian Men Videos Featuring Nicolas Prattes Edit
TikTok
brazilianiconics
28.9K views
Dec 20, 2023
Focus Tips
7516904671118740758
TikTok
6 months ago
5:46
5 Focus Exercises That Actually Work (Boost Concentration FAST!)
YouTube
Focused Peter
18 views
3 months ago
How to Focus (with Pictures) - wikiHow
wikiHow
Masha Kouzmenko
1.8M views
11 months ago
4:07
Khan Academy
Jan 26, 2015
Khan Academy
4:39
Identifying if a parabola exists from given key features
6 months ago
Khan Academy
Sal Khan
0:18
Brazilian Men Videos Featuring Nicolas Prattes Edit
28.9K views
Dec 20, 2023
TikTok
brazilianiconics
9:48
Oops. Something went wrong. Please try again.
Jan 26, 2015
Khan Academy
The parabola y2 = kx passes through the point (4, -2). Find its la
…
Sep 16, 2024
shaalaa.com
34:50
Hyperbolas - Conic Sections
1.1M views
Apr 29, 2021
YouTube
The Organic Chemistry Tutor
7:46
Graphing Conic Sections Part 1: Circles
202.7K views
Nov 12, 2017
YouTube
Professor Dave Explains
5:28
General Method for Parabola Construction
1.5M views
Oct 15, 2017
YouTube
Manas Patnaik
4:06
Focus and directrix introduction | Conic sections | Algebra II | Khan
…
449.9K views
Jan 26, 2015
YouTube
Khan Academy
10:58
Introduction to conic sections | Conic sections | Algebra II | Khan
…
1.1M views
Jun 15, 2009
YouTube
Khan Academy
5:20
Learn how to graph a parabola in conic sections
17.6K views
May 16, 2012
YouTube
Brian McLogan
11:28
Finding focus and directrix from vertex | Conic sections | Algebra I
…
302.9K views
Jan 27, 2015
YouTube
Khan Academy
1:19:02
Conic Sections - Circles, Ellipses, Parabolas, Hyperbola - How To Gr
…
2.7M views
Feb 6, 2016
YouTube
The Organic Chemistry Tutor
53:27
08 - Conic Sections - Hyperbolas, Part 1 (Graphing, Asymptotes, Hy
…
70.6K views
Dec 17, 2019
YouTube
Math and Science
42:10
Polar Equations of Conic Sections In Polar Coordinates
174.2K views
Apr 8, 2018
YouTube
The Organic Chemistry Tutor
13:49
Foci of an ellipse | Conic sections | Algebra II | Khan Academy
624.3K views
Jul 7, 2009
YouTube
Khan Academy
11:45
Equation of a parabola by completing the square
338.7K views
May 1, 2012
YouTube
Brian McLogan
2:22
How To Draw An Ellipse By Focus Directrix Method - Engineering Cu
…
1M views
Oct 30, 2018
YouTube
EzEd Channel
29:17
Conic Sections: Hyperbolas, Ellipses, Parabolas, Circles (How t
…
52.5K views
Apr 13, 2020
YouTube
Mario's Math Tutoring
15:24
Foci of a hyperbola | Conic sections | Algebra II | Khan Academy
257.8K views
Jul 8, 2009
YouTube
Khan Academy
4:51
How to write a parabola in standard form given two points
48.2K views
Mar 12, 2014
YouTube
Brian McLogan
1:34
Identify the vertex, focus and directrix of a parabola
65.1K views
Apr 16, 2017
YouTube
Brian McLogan
34:54
Finding The Focus and Directrix of a Parabola - Conic Sections
2.1M views
May 2, 2021
YouTube
The Organic Chemistry Tutor
10:02
How to Find the Focus and Directrix of a Parabola
212.2K views
Nov 12, 2013
YouTube
searching4math
4:41
Writing the equation of a parabola in standard form from conic sections
7.5K views
Mar 6, 2014
YouTube
Brian McLogan
31:39
Writing Equations of Ellipses In Standard Form and Graphing Ellip
…
1.4M views
Apr 29, 2021
YouTube
The Organic Chemistry Tutor
7:06
What is the focus and directrix of a vertical parabola
23.3K views
Apr 2, 2013
YouTube
Brian McLogan
5:01
Given the vertex and focus determine the standard form of th
…
32.4K views
Mar 6, 2014
YouTube
Brian McLogan
3:12
Write the equation of a hyperbola given vertices and length of conju
…
35.1K views
May 8, 2017
YouTube
Brian McLogan
See more videos
More like this
Feedback