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Workbook

Workbook . pg. 231 #1-22 (skip 15 &19). Monday October 8. Daily Check: Chords. Daily Check. 1. 2. 3. 4. EOCT Practice. Describe the extrema of the quadratic y = -2(x – 3) 2 + 2 Maximum at (-3, 2) Minimum at (-3, 2) Minimum at (3, 2) Maximum at (3, 2). D. Surface Area

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Workbook

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  1. Workbook pg. 231 #1-22 (skip 15 &19)

  2. Monday October 8 Daily Check: Chords

  3. Daily Check 1. 2. 3. 4.

  4. EOCT Practice • Describe the extrema of the quadratic y = -2(x – 3)2 + 2 • Maximum at (-3, 2) • Minimum at (-3, 2) • Minimum at (3, 2) • Maximum at (3, 2) D

  5. Surface Area & Volume of Spheres

  6. HEMISPHERE: HALF A SPHERE r Think of the globe! The equator cuts the earth into the northern and southern hemisphere.

  7. Formulas for a Sphere

  8. Find the exact and approximate Surface Area & Volume of a Sphere (round to the nearest hundredths) 10 cm

  9. The circumference of a great circle of a sphere is 25 inches. Find the approximate surface area & volume of the sphere. (Round to the nearest tenths.) 25 in

  10. SA and Volume of a Sphere A spherical balloon has a surface area of 16 in.2 Find the volume of the sphere. 10 in 5 in

  11. Workbook Pg. 249-251 #6-8, 16-18, 20-22, 26-29

  12. Comparing Two Spheres

  13. Surface Area & Volume of a Sphere A spherical balloon has an initial radius of 5 in. When more air is added, the radius becomes 10 in. Explain how S.A. and Volume change as the radius changes. 10 in 5 in

  14. If radius is doubled… x 2 x 22 x 23

  15. If radius is 5 times bigger… x 5 x 52 x 53

  16. If radius is 2/3 smaller… x 2/3 x (2/3)2 x (2/3)3

  17. Volume of a Sphere A sphere has an initial volume of 400 cm.3 The sphere is made bigger by making the radius 4 times as big. What is the new volume of the sphere? 10 in 5 in

  18. Workbook Page 251 #30-33

  19. Textbook Page 239 #1-18

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