Monday: Announcements Friday ended 3 weeks Extra Credit Project available Unit Quiz Corrections Unit 7 Retest.

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Presentation transcript:

Monday: Announcements Friday ended 3 weeks Extra Credit Project available Unit Quiz Corrections Unit 7 Retest

Extra Credit On the Calendar Website Due Next Monday Earn up to 10 points on test grade See me for your question starting tomorrow

Unit Quiz Corrections ALWAYS due on test day. Each unit quiz must be corrected for anything missed Use a correction form for each quiz Use blank grids if you missed a graphing question If you missed nothing on the quiz, just turn it back in without a form Factoring quizzes are never collected

Unit 7 Retest Test corrections must be complete by Friday ( ) Retest is Monday (2-3-14) –7:40am or –4:00pm

Section 9-6 Classifying Conic Sections

Objectives I can identify conic sections from their equations I can explain how to form each conic section

What is a conic section? 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:

Standard Format Ax 2 + Bxy + Cy 2 + Dx + Ey + F = 0 Conic SectionRelationship of A and C ParabolaA = 0 or C = 0, but not both CircleA = C Ellipse A and C have same sign and A  C HyperbolaA and C have opposite signs

Example 1

Example 2

Example 3

Example 4

Homework WS 8-1 Also, on the back of WS 8-1, complete the square on these 2 equations to get Vertex Format