HAPPY THURSDAY!! - School District of Clayton
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February 08, 2018 Thursday, February 8, 2018 1. Check HW/Qs? 2. Ellipses 3. Assignment: Sec. 9.2 HAPPY THURSDAY!!
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Transcript of HAPPY THURSDAY!! - School District of Clayton
February 08, 2018
Thursday, February 8, 2018
1. Check HW/Qs?2. Ellipses3. Assignment: Sec. 9.2
HAPPY THURSDAY!!
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1. Find focus.
2. Find PF
3. Find y-int
4. Find slope (use focus and point)
February 08, 2018
Identify the type of conic section.
1) –5x2 + 2x – y + 100 = 0
2) x2 – 2x + y2 – y + 45 = 22
3) 3x2 + 2x + 6y2 – y + 100 = 0
4) x2 + 2x – 5y2 – y + 310 = 0
5) –2x – 8y2 – y + 121 = 0
6) 3x2 + 2x + 6y2 – y = 242
February 08, 2018
"The Whisper Chamber" at the United States capital is an example of an ellipse's special properties. Stand at one focus and you can hear perfectly someone whispering at the other focus, though it is much too far away to hear if not for the reflective property specific to ellipses.
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Lithotripsy
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The Ellipse—with the White House and downtown Washington, DC, stretching out behind it—is one of the federal reservations.
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Ellipse Stations1. Flash Light Problem
2. White Board Problem3. Quilt Loom Problem4. Elliptical Pool Table Problem5. Construction of an Ellipse 6. Kepler’s Problem
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construction of an ellipse.gsp
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Horizontal Vertical
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