9-sinflar uchun test 4-chorak

Tuzdi:____Muminova N.T.

Ekspert:___Ashuraliyeva S.S.

Matematika 9-sinf

4-chorak uchun test topshiriqlari

1-variant

1. a_n=n+3 qonuniyat bilan berilgan sonli ketma-ketlikning dastlabki uchta hadini toping

A) 4,5,6 B) 1,2,3 C) 7,5,4 D) 7,8,10

2. Arifmetik progressiyada =3, d=-2. S ni toping?

A) -9797 B) -9798 C) 7979 D) 2009 E) 9697

3. Arifmetik progressiyada d=4, S =5000 bo’lsa, a ni toping?

A) -2 B) 2 C) 100 D) 1250 E) 5

4. Arifmetik progressiyada =1, =301 bo’lsa, d ni toping?

A) 4 B) 2 C) 3 D) 3,5 E) 5

5 Arifmetik progressiyada =20 bo’lsa, S ni toping?

A) 90 B) 110 C) 200 D) 100 E) aniqlab bo’lmaydi.

6. Geometrik progressiyada =2, q=3 bo’lsa, S ni toping?

A) A) 335 B) 336 C) 337 D) 728 E) to’g’ri javob berilmagan

7. Geometrik progressiyada q= , S=364 bo’lsa, ni toping?

A) B) 81 C) D) 240 E) 243

8. Cheksiz kamayuvchi geometrik progressiyada , S=16 bo’lsa, q ni toping?

A) B) C) D) E)

9. Geometrik progressiyada , bo’lsa, S ni toping?

A) B) 3 C) D) 2 E)

10. Aylananing berilgan nuqtasidan radiusga teng bo’lgan ikkita vatar o’tkazilgan. Ular orasidagi burchakni toping

A) 120⁰ B) 140⁰ C) 130⁰ D) 150⁰

11. ABCD parallelogramning A o’tkir burchagining bissektrisasi uning BC tomonini E nuqtada kesib o’tadi Agar AB=9 , AD=15 bo’lsa EC ni toping.

J:_______________________

12. Rombning tomonlaridan biri bilan uning diognallari hosil qilgan burchaklarni nisbati 3:6 bo’lsa romb burchaklarini toping J:____________________________

13. 4 va 9 sonlari orasiga bitta musbat shunday sonni qo`yinki, natijada geometrik progressiyaning kema-ket uchta hadi hosil bo`lsin.J:___________________

14. Teng yonli trapetsiyaning katta asosi 2,7 m yon tomoni 1 m ga ular orasidagi burchak 60⁰ga teng. Trapetsiya ning kichik asosini toping J:______________________

15. bo`lsa, ni toping.

J:______________________