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Thursday: Announcements - PowerPoint PPT Presentation

Thursday: Announcements. Test corrections must be complete by tomorrow morning (Friday) Retest Monday 7:40am or 4:00pm Extra Credit DUE Monday 1 st Unit 8 Quiz is Tuesday. Yesterday’s Meetings. Discussed Make-up work from Absences, Field Trips, etc Some students not making up work.

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• Test corrections must be complete by tomorrow morning (Friday)

• Retest Monday

• 7:40am or 4:00pm

• Extra Credit DUE Monday

• 1st Unit 8 Quiz is Tuesday

• Discussed Make-up work from Absences, Field Trips, etc

• Some students not making up work.

• District Policy (One Day + 1) for missed instruction. Makeup work always in the Green Folders, plus on Calendar!

• Scheduling Recommendations for next year!! Please come talk with me about the choices. Scheduling process starts next week!

Algebra Skills

Statistics/Data Analysis

AP Statistics

PAP/AP English

• PreCalculus

• 1st Semester Algebra

• 2nd Semester Trig

• Independent Math Studies

• Cell Phones/Headphones: None out after bell rings. Not even on your desk or lap.

Section 9-2

Vertical Parabolas

Pages 620-625

• You should be able to find graph vertical parabolas including:

• Vertex Point

• Axis of Symmetry (AOS)

• Focus Point

• Directrix Line

• Length of Latus Rectum (LR)

• Complete the Square to obtain vertex Format

• A conic is simply the intersection of a plane and a double-cone.

• 4 common conics are the parabola, circle, ellipse, and hyperbola shown below:

• A parabola is a set of points in a plane that are all the same distance from a given point called the focus and the same distance from a line called the directrix.

• A parabola is formed when we slice through one end of a double cone an an angle.

• A parabola is a set of points in a plane that are all the same distance from a fixed line called the directrix and a fixed point not on the line called the focus .

• The distance from Vertex Point to Focus Point is “p”

• This is also the same distance from Vertex Point to the Directrix Line

• The perpendicular chord to the AOS is called the latus rectum(LR)

Latus rectum

• vertex

• focus

• directrix

• axis of symmetry

• endpoints of the latus rectum

• FOCUS: inside the parabola

• DIRECTRIX: outside of the parabola

• AOS: through the vertex, perpendicular to the directrix

• FOCAL CHORD (latus rectum): inside of the parabola

• Graph and find equation examples done in packet of notes together in class.

• Finish examples in Packet of notes

• WS 8-3 Vertical Parabolas