CK-12 Foundation
Ck 12: Interactive Geometry: 10.1 Conic Sections
The conic sections are the cross-sections of a double-napped cone. Depending on the angle of the plane with respect to the cone, a conic section may be a circle, an ellipse, a parabola, or a hyperbola.
Math2
Math2.org: Algebraic and Conic Section Graphs
THis resource provides examples and information about Algebraic graphing.
National Council of Teachers of Mathematics
The Math Forum: Analytic Geometry Formulas, Hyperbolas
At this site from the Math Forum, a brief overview on calculating various measures of segments, like the transverse and conjugate axes and the distance between foci, is given. Additionally, equations of hyperbolas in general, standard,...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Deriving the Hyperbola Formula
Dr. Math tackles a question about deriving the formula for a hyperbola posed by a student.
Wolfram Research
Wolfram Math World: Focus
An explanation for the focus in conic sections along with diagrams. Site provides graphs, references, and a brief bibliography and citation.
Math Words
Math words.com: Conic Sections
Examples of conic sections are given and the equation for their standard form is also given.
Math Words
Math words.com: Hyperbola
A definition for what a hyperbola is along with example diagrams of what horizontal and vertical hyperbolas are and gives the standard form equation.
Math Words
Math words.com: Foci, Hyperbola
An explanation of what the foci is as it relates to hyperbolas. An accompanying illustration is also included.
Paul Dawkins
Paul's Online Notes: Algebra Cheat Sheet [Pdf]
An algebra "cheat sheet" to use as a reference when completing algebra homework. Lists basic facts, properties, operations, formulas, and functions, as well as common errors.
Math Graphs
Houghton Mifflin: Math Graphs: Sketching a Hyperbola [Pdf]
The practice exercise has students sketch a hyperbola. The handout is available in PDF format.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Hyperbolas
Find a quick, concise explanation of hyperbolas. An example is given and clearly explained.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Hyperbolic Functions
In responding to a student question, Dr. Math provides a brief overview of hyperbolic functions.
Wolfram Research
Wolfram Alpha: Conic Sections
The resource consists of a geometry animation that shows conic sections.
University of St. Andrews (UK)
University of St. Andrews: Hyperbola
This University of St. Andrews site gives the parametric and cartesian equation for a hyperbola along with an example graph. The site offers links to related curves.
Math Open Reference
Math Open Reference: Limits at Infinity
Learn about limits at infinity with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Curated OER
Hyperbola Conic
An overview of the four types of conic sections is presented. The origin of how each conic is formed and a table of various characteritics specific to each type of conic is shown.
Curated OER
Graph Hyperbola (Horiz.)
An overview of the four types of conic sections is presented. The origin of how each conic is formed and a table of various characteritics specific to each type of conic is shown.
Curated OER
Graph Hyperbola (Vert.)
An overview of the four types of conic sections is presented. The origin of how each conic is formed and a table of various characteritics specific to each type of conic is shown.
Curated OER
Directrix
MathWorld delivers a brief definition of a focus, with diagrams showing the focus of an ellipse, a parabola, and a hyperbola.
Curated OER
Math World: Hyperbola
This site contains a vast amount of information relating to the hyperbola, including the definition of a hyperbola, equations in various systems, including polar, and many important characteristics of hyperbolas. Site also provides many...
Curated OER
University of St Andrews: Hyperbola
This University of St. Andrews site gives the parametric and cartesian equation for a hyperbola along with an example graph. The site offers links to related curves.