### We found 104 reviewed resources for foci

Lesson Planet

#### Foci of an Ellipse

The foci of an ellipse are explored in this video. First, foci are shown as the two points on the major axis such that the sum of the distance from a point on the ellipse and the foci points is the same as the distance from any point on...

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#### Foci of an Ellipse

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#### Foci of a Hyperbola

In this video, Sal defines the vertex and the foci of a hyperbola, and shows how to locate both. By comparing the hyperbola to an ellipse throughout the video, the listener sees the similarities between these two conic sections. This...

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#### Proof: Hyperbola Foci

In a video that is quite involved, algebraically, Sal proves that the distance of the foci from the center of a hyperbola is the square root of a2+b2. Since the algebra shown here is challenging, this video might be appropriate as an...

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#### Foci of a Hyperbola

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#### Hyperbolas: Sketching from the Equation

In this algebra worksheet, learners sketch graphs of hyperbolas after solving equations to standard form and interpreting the center, vertices, foci, axis, asymptotes, and eccentricity from the equation. There are 58 questions.

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#### Ellipse

High schoolers explore the concept of ellipses. In this ellipses lesson plan, they construct ellipses on their paper and follow directions on a worksheet that allow them to investigate an ellipse in more depth by looking at the major...

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#### Ellipses Centered at the Origin: Lithotripsy

Investigate ellipses through the lens of medical applications. Pupils use a medical scenario to determine the equation of an ellipse. By using the interactive, learners determine the foci and major and minor axes of the ellipse that...

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#### Hyperbolas

Hyperbolas—practice thinking outside of the box. Pupils alter the end behavior box to create various graphs of hyperbolas. They determine formulas to find the distance from the origin to the foci. Using that information, scholars...

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#### Hyperbola

In this hyperbola worksheet, students solve and complete 33 different problems that include identifying various hyperbolas. First, they graph each hyperbola, stating the center, vertices, co-vertices, foci, asymptotes, and latus rectum....

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#### Hyperbolas

In this hyperbolas instructional activity, 11th graders solve and complete 5 different problems. First, they define hyperbolas and draw a picture of one. Then, students find the coordinates of the vertices and the foci and the equation...

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#### Conic Sections

In this conic sections worksheet, students solve and complete 17 various types of problems. First, they write the conics in standard form and graph. Then, students determine the equation that best represents each description that...

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#### Earth Science Regents: The Ellipse

Starting with the instructions to draw an ellipse, and with great pictures, this sheet should help your pupils learn the shapes and measurements involved. Using push pins and string, your class can discover the axis and focus points...

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#### Getting in Focus

Young scholars explore the concept of ellipses. In this ellipses lesson, students are presented with a problem where they must determine the equation of an ellipse given foci in the context of an ambulance route. Young scholars...

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#### Drawing Ellipses Lab

In this ellipse worksheet, students learn the difference between an orbit and an ellipse. They draw ellipses and calculate the distance between foci, they calculate the length of the major axis and they determine the eccentricity. They...

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#### Constructing an Ellipse

Young scholars explore the concept of ellipses. For this ellipses lesson, students construct ellipses on their Ti-Nspire. Young scholars plot two foci and then construct an ellipse. Students determine the the semi-major and semi-minor...

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#### NUMB3RS Activity: Waxing Elliptical

Eleventh graders explore ellipses. In this Algebra II lesson, 11th graders generate an ellipse by folding wax paper. Students investigate how the distance between foci of an ellipse and the shape of the ellipse are related.

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#### Graphing and Properties of Hyperbolas

In this graphing and properties worksheet, students identify the vertices, foci of each hyperbola. They graph hyperbolas. Students identify asymptotes, the length of the transverse axis and the length of the conjugate axis. This...

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#### Ellipses

In this ellipses activity, students solve and complete 30 various types of problems that include determining the characteristics of ellipses. First, they draw the graph for each ellipse, labeling the center, foci, vertices, and...

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#### Worksheet 3 Math 126: Ellipses and Hyperbolas

In this ellipses and hyperbolas worksheet, high schoolers solve 8 short answer and graphing problems. Students graph ellipses, hyperbolas, and parabolas given an equation. High schoolers identify the foci of an ellipse or hyperbola.

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#### Construction an Eillipse ID: 9980

Eleventh graders explore ellipses. In this Algebra II lesson, 11th graders construct an ellipse using the Ti-nspire handheld and investigate the sum of the distance from a point on an ellipse to its foci. Students use that information...

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#### Ellipse

In this algebra worksheet, students sketch, solve, and write equations and graphs of ellipses using the foci and vertex. There are 24 questions.

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#### Hyperbola

In this Algebra II worksheet, students determine the vertices and foci of a hyperbola, write the equations in standard form, find the asymptotes, and sketch the graphs of hyperbolas. The one page worksheet contains thirty-one problems. ...

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#### Ellipse Elements and Equations

Challenge your class to provide an ellipse when given two points and two lines. The lesson presents both graphical and analytical methods to writing the equation of an ellipse. The class investigates its components, how they relate to...