Matematika. (test)

Matematika. (test)
1. y=2x + x parabola uchining koordinatalarini toping.
A) ( B) (12;-24) C) (12;24) D) (
2. c ning shunday qiymatini topingki,y=- parabola bilan y= cx-1 to’g’ri chiziqning kesishish nuqtalaridan biri ning absissasi x=-1 bo’lsin.
A) -1.5 B) 0.5 C) 1.5 D) -0.5
3. y=0,1x -2x+0,5 parabola grafigi qaysi choraklarda joylashgan?
A) 1, 3, 4 B) 2,3,4 C) 1,2,4 D) 1,2,3
4. M(-1;7) va N(1;-7) nuqtalardan o’tuvchi to’g’ri chiziq tenglamasini yozing.
A) y=-4x B) y=-7x C) y=7x D) y=4x
5. Tenglamani yeching: =3-2x
A) x=1,5 B) x≤1,5 C) x≥0,5 D) x≤4,5
6. ifoda n ning nechta natural qiymatida butun son bo’ladi?
A) 1 B) 4 C) 2 D) 3
7. Ushbu x +px-12=0 tenglamaning ildizlaridan biri -3 ga teng.Shu tenglamaning koeffisiyentlar yig’indisini toping.
A) -10 B) 8 C) -12 D) 11
8. y= funksiyaning aniqlanish sohasini toping.
A) -3≤x≤1 B) x≤ -3 va x≥1 C) x≤1 D) x≥-3
9. Ikkita o’xshash uchburchak yuzlari 75 sm va 300 sm . Birinchi uchburchakning bir tomoni 7 sm bo’lsa ,ikkinchi uchburchakning unga mos tomonini toping.
A) 12 sm B) 14 sm C)11 sm D)13 sm
10. Rombning _{ } ga teng bo’lgan balandligi tomonni teng ikkiga bo’ladi. Rombning perimetrini toping.
A) 24 B) 12 C) 36 D) 8
11. Perimetri 28 sm bo’lgan uchburchakning balandligi uni perimetrlari 14 sm va 18 sm bo’lgan ikkita uchburchakka ajratadi.Uchburchak balandligini toping.
A) 5 sm B) 3 sm C) 4 sm D) 2 sm
12. To’g’ri burchakli uchburchakning gipotenuzasi 15 sm va burcaklaridan biri 45 . Uning yuzini toping.
A) 46.24 sm B) 24.56 sm C) 56.25 sm D) 20.25sm
13. O’tkir burchagi 30 ga ,balandligi 4 sm bo’lgan rombning yuzini toping.
A) 24 sm B) 32 sm C) 18 sm D) 28sm


14. 2x²-11x+13=0 tenglama ildizlari ko’paytmasini toping?
A) 6 B) 6.5 C) 5.5 D) -6.5
15. Agar (-1;4) nuqta y=-3x +kx-6 parabolaga tegishli bo’lsa, k ning qiymatini toping.
A) -13 B) 13 C) 12 D) -6.5
9-sinf Matematika fanidan testlarning javoblari.

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