2. Notes Over 10.2 Graphing an Equation of a Parabola Standard Equation of a Parabola (Vertex at Origin) focus directrix

3. Notes Over 10.2 Graphing an Equation of a Parabola Standard Equation of a Parabola (Vertex at Origin) focus directrix

4. Notes Over 10.2 Graphing an Equation of a Parabola Graph the equation. Identify the focus and directrix of the parabola. focus: directrix:

5. Notes Over 10.2 Graphing an Equation of a Parabola Graph the equation. Identify the focus and directrix of the parabola. focus: directrix:

6. Notes Over 10.2 Graphing an Equation of a Parabola Graph the equation. Identify the focus and directrix of the parabola. focus: directrix:

7. Notes Over 10.2 Graphing an Equation of a Parabola Graph the equation. Identify the focus and directrix of the parabola. focus: directrix:

8. Notes Over 10.2Writing an Equation of a Parabola Write the standard form of the equation of the parabola with the given focus and vertex at (0, 0).

9. Notes Over 10.2 Writing an Equation of a Parabola Write the standard form of the equation of the parabola with the given focus and vertex at (0, 0).

10. Notes Over 10.2Modeling a Parabolic Reflector 9. A searchlight reflector is designed so that a cross section through its axis is a parabola and the light source is at the focus. Find the focus if the reflector is 3 feet across at the opening and 1 foot deep.

11. Notes Over 10.2Modeling a Parabolic Reflector 10. One of the largest radio telescopes has a diameter of 250 feet and a focal length of 50 feet. If the cross section of the radio telescope is a parabola, find the depth.

12. Notes Over 10.2