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а. А. C. B. ∆АВ C = ∆ А 1 В 1 C 1. А 1. C 1. B 1. 6. 4. 1. -8. -6. -3. 1. 4. 5. 8. -3. -5. у. 0. х. У(2)=. 0. ?. - 4. У(4)=. ?. Какая часть фигуры закрашена?. h. b. a. 1 слой : 3 ∙ 4 = 12 (куб). Объём. 2 слой?. 3 ∙ 4 = 12 ( куб). 3 слой?.

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А 1

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  1. а А C B ∆АВC =∆А1В1C1 А1 C1 B1

  2. 6 4 1 -8 -6 -3 1 4 5 8 -3 -5 у 0 х У(2)= 0 ? - 4 У(4)= ?

  3. Какая часть фигуры закрашена?

  4. h b a 1 слой : 3 ∙4=12 (куб) Объём 2 слой? 3 ∙4=12 (куб) 3 слой? 3 ∙4=12 (куб) Всего: 3∙4∙3=36(куб) V = a∙b ∙ h

  5. ( х + х + 8 8 ) (х–7)= = х2 + 8х –56 –7х = =х2 + х – 56

  6. а С В а h h h K H А D S=ah S=ah ABH= DCK (КГ) =a h а h а SАВСK=SАВСD+ SDСK = SABH+ SHВСK SABH=SDСK SАВСD= SHВСK

  7. У А(7;4) 6 5 4 3 2 1 –7 –6 –5 –4 –3 –2 -1 -1 -2 -3 -4 -5 -6 -7 1 1 2 3 4 5 6 7 0 X Постройте точки Р(-7;5) В(-3;0) К(3,5;-3) S(-6;-4,5) С(0;-6)

  8. х 3 х 3 х 3 3 3 х3

  9. 2 (п - 2) = 2 ) ( = - 2 2 + = - 2 2 2 (п – 2)= п – 4п+ 4 ? п 2 п п 2 2

  10. ЦИЛИНДР образующие основания

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