9-sinf i-blok 1-variant 2017-2018 o’quv yili iv-chorak Ona tili

9.Geometrik progressiyada b₁ =4, q= bo'lsa, b₆ni toping.
A) B) C) D)

10. O’xshash uchburchaklarnin gperimetrlari 40 sm va 48 sm bo’lsa, o’xshashlik koeffitsientini toping.

A) B) C) D)

11. To’g’ri burchakli uchburchakning katetlari 3 sm va 4 sm bo’lsa, to’g’ri burchakli uchburchakning gipotenuzasini toping.

12. Geometrik progressiyaning maxraji q=3, S₄ =80 b₄ =?

13. Geometrik progressiyada b₁=648,q= bo’lsa, S₄=?.

14. Arifmetik progressiyada a₁=1, a₁₀₁=301 bo’lsa, d ni toping.