Section 10.3 The Ellipse Copyright © 2013 Pearson Education, Inc. All rights reserved.

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Presentation transcript:

Section 10.3 The Ellipse Copyright © 2013 Pearson Education, Inc. All rights reserved

Analyze ellipses with center at the origin. Objectives Analyze ellipses with center at the origin. Analyze ellipses with center at (h,k). Copyright © 2013 Pearson Education, Inc. All rights reserved

Ellipse definition Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Find an equation of the ellipse with center at the origin, one focus at (3, 0) and a vertex at (– 4, 0). Graph the equation. From the center to one vertex is a = 4. From the center to one focus is c = 3. Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Find an equation of the ellipse having one focus at (0, 2) and vertices at (0, –3) and (0, 3). Graph the equation by hand. The distance from the center to a focus is c = 2 The distance from the center to a vertex is a = 3 Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Find an equation for the ellipse with center at (2, –3), one focus at (3, –3), and one vertex at (5, –3). Graph the equation by hand. Center and vertices lie on line y = –3 so major axis is parallel to x-axis. The distance from the center to a focus is c = 1;The distance from the center to a vertex is a = 3 Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Homework 10.3 #13-16 all, 17, 21, 27, 29, 33, 39, 41, 43, 47, 55 Copyright © 2013 Pearson Education, Inc. All rights reserved