Hi sir

1. LESSON
1
ellipses
Prepared by;
MA. ARCHIA F. ARZAGON
ZOREN XEL A. NONO
MARJORIE C. LUY

2. Assessment
Multiple Choice. Choose the letter of the best answer. write the chosen letter on a
separate sheet of paper.
1. It is the point of intersection of the line perpendicular to the directrix which
passes through the focus cuts the ellipse.
a. Axis of symmetry
b. Directrix
c. Focus
d. vertex

3. 2. It is plane curve surrounding two focal points, such that for all points on the
curve, the sum of the two distances to the focal points is a constant.
a. Parabola
b. Focus
c. Ellipse
d. Axis of symmetry
3. These are two points inside an ellipse.
a. Foci
b. Ellipse
c. Parabola
d. Axis of symmetry

4. 4. The elongation of an ellipse can be measured by its .
a. Axis of symmetry
b. center
c. Eccentricity
d. Focal points

5. 6. It is the set of all points in a plane such that the sum of the distances from two points [foci] is
a constant.
a. Ellipse
b. foci
c. Origin
d. vertices

6. 8. If y=0 , then x ±a. Each vertex is a units away from the
a. Ellipse
b. Center
c. Foci
d. vertical

7. a. Horizontal
b. Positive
c. Vertical
negative

8. b. Write the equation of an ellipse from general to standard from. Write your final answers on
the space provide. You may use another sheet of paper for the solutions.
General from Standard form

9. ANSWER KEY;

10. Assessment
Multiple Choice. Choose the letter of the best answer. write the chosen letter on a
separate sheet of paper.
1. It is the point of intersection of the line perpendicular to the directrix which
passes through the focus cuts the ellipse.
a. Axis of symmetry
b. Directrix
c. Focus
d. vertex

11. 2. It is plane curve surrounding two focal points, such that for all points on the
curve, the sum of the two distances to the focal points is a constant.
a. Parabola
b. Focus
c. Ellipse
d. Axis of symmetry
3. These are two points inside an ellipse.
a. Foci
b. Ellipse
c. Parabola
d. Axis of symmetry

12. 4. The elongation of an ellipse can be measured by its .
a. Axis of symmetry
b. center
c. Eccentricity
d. Focal points

13. 6. It is the set of all points in a plane such that the sum of the distances from two points [foci] is
a constant.
a. Ellipse
b. foci
c. Origin
d. vertices

14. 8. If y=0 , then x ±a. Each vertex is a units away from the
a. Ellipse
b. Center
c. Foci
d. vertical

15. a. Horizontal
b. Positive
c. Vertical
negative

16. b. Write the equation of an ellipse from general to standard from. Write your final answers on
the space provide. You may use another sheet of paper for the solutions.
General from Standard form

17. FINISH