9-sinf_choraklik
Page preview (5 pages)
Scroll down 👇![[bookmark: page1] [bookmark: page3]9-sinf. algebra. i- chorak. 1. soddalashtiring: (5a-2b)-(3b-5a); a) 10a-5b b) -5b c) 10a-b d) b 2. tenglamani yeching: x2-3x-4=0 a) x1 =4; x2=2 b) x1=3; x2=4 c) x1=4; x2 = -1 d) x1=5; x2=6 3. qaysilari kvadrat funksiya: 1) y=2x2+x+3; 2) y=3x2 -1; 3) y=x3+7x-1; a) 1;3 b) 1;2 c) 3 d) 2;3 5. x ning qanday qiymatlarida y=-4x2 +3x-1 funksiya -2 qiymatni qabul qiladi. a) x1=1; x2= − 1 b) x1 =2; x2= 1 c) x1=4; x2 =1 d) x1 =2; x2=1 4 4 6. y=x2 funksiyaning grafigiga quyidagi nuqtalardan qaysilari tegishli bo’ ladi. a(2;6) b(-1;1) c(12;144) d(-3;-9) a) a va b b) b va c c) c va d d) a va d 7 9. y=x2+4x+1 parabola uchining koordinatalarini toping. a) (2;3) b) (4;5) c) (3;-1) d) (-2;-3) 11. 0; -1; 2 sonlaridan qaysilari x2+3x+2>0 tengsizlikni yechimlari bo’ladi. a) 0 b) -1 c) 2 d) …](/media/previews/pages/p1_295071.webp "9-sinf_choraklik - Page 1")
![s − sin cos 7 7 7 7 a) -1 b) 1 c) 0 d) 1 2 15. hisoblang: 2sin150 cos150 a) 2 b) -1 c) 1 d) 0 3 2 16. cosα-ctgα(-sinα) iufodani soddalashtiring. 19. 1+cos2α ifodani soddalashtiring. 17. cos750 ni hisoblang. 20. sin36300 ni hisoblang. 18. cos2150-sin2150 ni hisoblang. [bookmark: page9]9-sinf. algebra. iv- chorak. 1. 6;8;10;…. arifmetik progressiya ayirmasini toping. a) 6 b) 2 c) -2 d) 14 2. agar a1=2; d=5 bo’ lsa a5 ni toping? a) 10 b) 3 c) 22 d) -3 3. agar a1=2; d=3 bo’lsa a 15 ni toping. a) 44 b) 6 c) 32 d) 23 4. 1;6;11;16;…. arifmetik progressiyaning n -hadi formulasini yozing. a) 6n-2 b) 4n+1 c) 5n+1 d) 5n-4 5. -22 soni 44, 38, 32, … arifmetik progressiyaning hadi. shu sonning nomerini aniqlang. a) n=10 b) n=8 c) n=9 d) n=12 6. agar arifmetik progressiyada d=-3 , a11=20 bo’ …](/media/previews/pages/p2_295071.webp "9-sinf_choraklik - Page 2")
![urchakli uchburchak to’ g’ri burchagidan tushirilgan balandligi 4 ga, katetlaridan birining gipotenuzadagi proyeksiyasi 2 ga teng. ikkinchi katetini gipotenuzadagi proyeksiyasini toping. 18. aylana radiusi 4 sm bo’ lsa, uning diametrini toping. 19. abc uchburchakda ∠a = 900 bo’ lsa, ∠b va ∠c burchaklarni yig’ indisini toping. 20. doiraning diametri 8 sm bo’ lsa, uning yuzini hisoblang. [bookmark: page11]iv chorak kaliti kalit. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 b s a d d b c a c b c d d b b 16. c=5 17. 8 ga teng 18. d=8 sm 19. 900 20. 16π iii chorak kaliti kalit. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 a c a a d a a d c c c c a c c 16. 2cosα − 17. 6 2 4 18. 3 2 19. 2cos2α …](/media/previews/pages/p3_295071.webp "9-sinf_choraklik - Page 3")
About "9-sinf_choraklik"
[bookmark: page1] [bookmark: page3]9-sinf. algebra. i- chorak. 1. soddalashtiring: (5a-2b)-(3b-5a); a) 10a-5b b) -5b c) 10a-b d) b 2. tenglamani yeching: x2-3x-4=0 a) x1 =4; x2=2 b) x1=3; x2=4 c) x1=4; x2 = -1 d) x1=5; x2=6 3. qaysilari kvadrat funksiya: 1) y=2x2+x+3; 2) y=3x2 -1; 3) y=x3+7x-1; a) 1;3 b) 1;2 c) 3 d) 2;3 5. x ning qanday qiymatlarida y=-4x2 +3x-1 funksiya -2 qiymatni qabul qiladi. a) x1=1; x2= − 1 b) x1 =2; x2= 1 c) x1=4; x2 =1 d) x1 =2; x2=1 4 4 6. y=x2 funksiyaning grafigiga quyidagi nuqtalardan qaysilari tegishli bo’ ladi. a(2;6) b(-1;1) c(12;144) d(-3;-9) a) a va b b) b va c c) c va d d) a va d 7 9. …
This file contains 8 pages in DOCX format (143.1 KB). To download "9-sinf_choraklik", click the Telegram button on the left.
PDF
DOCX
PDF
PDF
DOCX
PDF
PDF
PDF
PDF
PDF
PDF