Algebra viii-sinf. I-chorak test. A-variant
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8-sinf-uchun-Algebradan-4-variantli-testlar
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Algebra VIII-sinf.I-chorak test.A-variant
1. MNPQ to’g’ri to’rtburchak uchta uchining koordinatalari berilgan.M(0;0),N(0;2),P(3;2).Q uchining koordinatalarini toping. #1(3;0) #2 (0;3) #3 (2;3) #4 (2;0) #5 (-3;0) 2.y=-2x-1 funksiya frafigi qaysi choraklarda yotadi? #1 I,II,III #2 I,III,IV #3 I,II,IV #4 II,III #5 II,III,IV 3. To’g’ri chiziq M(0;-5) va N(1;-2) nuqtalardan o’tadi.Shu to’g’ri chiziq tenglamasini yozing. #1 y=2x+3 #2 y=-3x+5 #3 y=5x-3 #4 y=3x-5 #5 y=4x-6 4. xning qanday qiymatida y= 4 1
2
funksiyaning qiymati 1 ga teng bo’ladi? #1 -8/15 #2 8/15 #3 15/8 #4 -15/8 #5 3/2 5. M(0;7) va N(7/4;0) nuqtalardan o’tuvchi to’g’ri chiziq tenglamasini yozing. #1 y=4x+7 #2 y=-4x+7 #3 y= 7 4
6. 6 5 2 3 2 y x y x
12
1 4 3 x y y x
#1 x=3, y=2 #2 x=-2, y=4 #3 x=1, y=2 #4 x=2 ,y=3 #5 x=-1, y=-3 7. x;y) sonlar juftligi 3x+7y=23 sistemaning yechimi bo’lsa,x 2 +y 2 ni toping 5x-2y=11 #1 12 #2 9 #3 13 #4 16 #5 25 8. Tenglamani yeching va to'g'ri javobni toping. 4x=0,24 #1 4x=0,24 x=0,24:4 x=0,06#2 4x=0,24 x=0,24:4 x=0,08#3 4x=0,24 x=0,24:4 x=0,07 #4 4x=0,24 x=0,24:4 x=0,05#5 4x=0,24 x=0,24*4 x=0,96 9. Bo'lishbi bajaring: (-6x):(2x)=? #1 -5#2 -7#3 -4#4 -3#5 -6 10. a
2 -9 nimaga teng? #1 a 2
2 +18a-9 #3 (a-3)(a+3) #4 a 2 +18a+9 #5 (a+3)(a+3) 11.Ko'paytuvchilarga ajrating: 4(x+y)+3(x-y) 2 #1 (x+y)(4+3(x-y))#2 (x-y)(4+3(x-y))#3 (x-y)(4-3(x-y))#4 (x-y)(4-3(x+y))#5 (x+y)(4+3(x+y)) 12. (z+5) 2 (z -5z+25)=? #1 z 3 +5 3 #2 z
3 -5
3 #3 z
3 +25#4 z 3 -25#5 z 3
13. Tenglamani yeching: 6.(2,3x-1)-3,5x+0,7x=0,5(x-14) #1 -10,5 #2 10,5 #3 2/21 #4 7 #5 -2/21 14. Vertikal Oy to’g’ri chiziq … o’qi deyiladi. #1 koordinatalar #2 simmetriya #3 abssissalar #4 ordinatalar #5 markaziy 15. x<0,y>0 koordinatalar sistemasida nimani bildiradi? #1 IV-chorak #2 III-chorak #3 II-chorak #4 I-chorak #5 koordinatalar boshi 16. B(x;0) to’g’ri chiziq Ox o’qiga … #1 parallel #2 perpendikulyar #3 kesishgan #4 kesishmaydigan #5 ustma-ust 17. y = kx funksiyaning grafigi k ning istalgan qiymatida koordinatalar … o’tuvchi to’g’ri chiziq bo’ladi. #1 pastidan #2 ustidan #3 o’qlaridan #4 boshidan #5 Hammasi to’g’ri 18. OA to’g’ri chiziq koordinatalar boshidan va A( nuqtadan o’tadi. Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi bo’ladi? y=7x , y= -14x, y=14x , y= -7x ,y= 21x #1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x 19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. Y=2x-1
20. 4 ga bo’lganda 3 qoldiq, 10 ga bo’lganda 1 qoldiq chiqadigan va ikkinchi bo’linma birinchi bo’linmadan 13 ta kam bo’ladigan natural sonni toping.
21. Funksiya P(x)= formula bilan berilgan P(10) ni toping
22. y= 2x-4 funksiyaning koordinata o’qlari bilan kesishish nuqtalarini gtoping. 23. y= kx-2 funksiyaning grafigi P(5;18) nuqtadan o’tishi ma’lum bo’lsa k ni toping.
24. To’g’ri chiziq A(0;-2) va B(2;6) nuqtalardan o’tadi. Uning tenglamasini yozing 25. y= kx+b funksiya grafigi A(0;3) va B(1;2) nuqtalardan o’tadi k va b ni toping
Algebra VIII-sinf.I-chorak test.B-variant
1. MNPQ kvadrat uchlarining koordinatalari berilgan:M(0;o),N(0;1), P(1;1),Q(1;0).Uning diagonallari kesishish nuqtasining koordinatalarini toping. #1 (1;1/2) #2 (1/2;1/2) #3 (1/2;2) #4 (1/2;1/3) #5 (1;1/4) 2. y=kx +4 funksiya grafigi M(1;1) nuqtadan o’tadi.k ni toping. #1 -3 #2 3 #3 -2 #4 -4 #5 2 3. To’g’ri chiziq koordinatalar boshidan va M(-2;5) nuqtadan o’tadi.Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi bo’ladi? 1) y=-5/2x 2) y=5/2x 3) y=2/5x 4) y=-2x+5 5) y=-2x #1 2,3 #2 3,4 #3 4,5 #4 2 #5 1 4. k va b ning qanday qiymatlarida y=kx+b to’g’ri chiziq grafigi M(0;1 4 1
) 4 1 ; 2 5 nuqtalardan o’tadi? #1 k=5/2, b=3/4 #2 k=-2/5,b=4/3 #3 k=2/5, b=4/3 #4 k=-2/5, b=1 4 1
5.. Tenglamalar sistemasini yeching: 2x+3y=7
3x-4y=2
#1 x=2, y=1 #2 x=1, y=5/3 #3 x=1, y=1/4 #4 x=3, y=1/3 #5 x=1/3, y= -1/4
6. (x;y) sonlar juftligi 4x+3y=17 3x-4y=-6 sistemaning yechimi bo’lsa,x+y ni toping #1 6 #2 -4 #3 4 #4 -5 #5 5 7. Ko'phad va birhad ko'payitmasini toping. (-5)(3x 3 +7x
2 -x)=?
#1 -15x 3 -35x 2 +5x #2 -15x 2 -37x +6x #3 -15x 2 -30x +9x #4 -15x 3 -32x
2 +9x #5 -15x 2 -35-9x
3
8. Birhadlarni ko'paytiring: (3a)(2b)=? #1 5ab#2 4ab#3 6ab#4 3ab#5 7ab 9. ab-b ifodada umumiy ko'paytuvchini qavsdan tashqariga chiqatring. #1 ab-b=b(a-1) #2 ab-b=-b(-1-a)#3 ab-b=a(b-1)#4 ab-b=a(-a-1)#5 ab+b=b(ab-1) 10. (7+x)(x-7)=? #1 x 2
2 +7
2 #3 49
2 +x
#4 x 2 +49 #5 7x 2 +x+7
2
11. Ifodani ko'phad shaklida yozing: (a+(b+c))(a-(b+c)) #1 a 2 +(b-c) 2 #2 a
2 -(b-c)
2 #3 a
2 -(b+c)
2 #4 a
2 +(b+c)
2 #5 a+(b-c) 12. Tenglamani yeching: 8(x+2)-5x=-2(x+4,5) #1 -5 #2 5 #3 6 #4 -4,5 #5 to’g’ri javob yo’q 13. Tenglamani yeching: 7 7 5 :10=5,4:4x-1 #1 -1 #2 -1/4 #3 3/4 #4 2 #5 -2 14. M(4;8) yozuvida 4 soni nima deyiladi? #1 koordinata #2 ordinata #3 abssissa #4 chapdagi son #5 o’ngdagi son 15. x<0, y<0, koordinatalar sistemasida nimani bildiradi? #1 IV-chorak #2 III-chorak #3 II-chorak #4 I-chorak #5 koordinatalar boshi 16. Agar biror sonlar to’plamidan olingan x ning bir qiymatiga biror qoida bo’yicha y son mos qilib qo’yilgan bo’lsa, u holda shu to’plamda … aniqlangan deyiladi. #1 o’zgaryvchi #2 o’zgarmas #3 argument #4 funksiya #5 TJY 17. OA to’g’ri chiziq koordinatalar boshidan va A( nuqtadan o’tadi. Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi bo’ladi? y=7x , y= -14x, y=14x , y= -7x ,y= 21x #1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x 18. OA to’g’ri chiziq koordinatalar boshidan va A( nuqtadan o’tadi. Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi bo’ladi? y=7x , y= -14x, y=14x , y= -7x ,y= 21x #1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x 19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. 2y-3x+4=0
20. Ikki xonali sonning raqamlari yig’indisi 9 ga teng. Shu raqamlar bilan teskari tartibda yozilgan son berilgan sondan 27 ta ortiq. Berilgan sonni toping.
21. Funksiya P(x)= formula bilan berilgan P(7) ni toping
22. x=15 da y= 3x-8 funksiyaning qiymatini toping. 23. y= kx-3 funksiyaning grafigi P(7;18) nuqtadan o’tishi ma’lum bo’lsa k ni toping.
24. To’g’ri chiziq A(0;-3) va B(2;5) nuqtalardan o’tadi. Uning tenglamasini yozing 25. y= kx+b funksiya grafigi A(0;2) va B(2;8) nuqtalardan o’tadi k va b ni toping
Algebra VIII-sinf.I-chorak test.C-variant
1. Quyidagi nuqtalarning qaysilari y=3x+7 funksiya grafigiga tegishli: 1)(0;7);2)(1;11);#) (-1;4); 4) (-2;1) 5) (-3;2); 6) (2;10)? #1 1,2,5 #2 2,4,6 #3 1,3,4 #4 3,4,6 #5 4,5,6 2. y=-2x+b funksiya grafigi M(-1;7) nuqtadan o’tadi.b ni toping. #1 9 #2 5 #3 -5 #4 3 #5 to’g’ri javob yo’q
3.y=-9x+5 funksiya grafigida koordinatalari o’zaro teng bo’lgan nuqtani toping. #1 (1/2;1/2) #2 (1/3;1/3) #3 (-3/4;;-3/4) #4 (-1/5;-1/5) #5 (2/3;2/3) 4. Funksiyalardan qaysinisining grafigi M(1;1), N( 3 1
1) y=2x-1 2) y=-6x+5 3) y=-3x+4 4) y=3x-2? #1 1 #2 2 #3 2 va 3 #4 1 va 4 #5 3 5. x/3 +y/2 =1 x+3y=0 #1 x=3, y=2 #2 x=6, y=-2 #3x=1,5 ,y=1 #4 x=2, y=4/3 6. x;y) sonlar juftligi 3 5
3 y x sistemaning yechimi bo’lsa,y-x ni toping
1 5 3 3 4
x
#1 2 #2 3 #3 -3 #4 -2 #5 1 7. Ko'phadlarni ko'paytiring. (a+2)(a+3)=? #1 a+4a+3#2 a+6a+3#3 a 2 +5a+6#4 a+5a+6#5 a 2 +6a+5 8. Ko'phadlarni ko'paytiring: (x+y)(x+1)=? #1 x
2 +x+xy+y#2 X 2 +y+x+1#3 X 2 +x+y-xy#4 X 2 -xy+y+x#5 X 2 +xy+yx-1 9. 9x-3y+12z=? #1 9(x-y+z) #2 3(3x-y+4z) #3 (x-y+4z)3#4 (x-y-4z)9#5 9x(x+y-z) 10. (x 4
3 )(y
3 +x
4 )=?
#1 x 8 –y 6 #2 x
6 +y
6 #3 y
6 –x
8 #4 0 #5 y 8 –x
9
11. Kasrni qisqartiring: 2 2 2 2 51 79 27 53
#1 4/7#2 3/14#3 53/79#4 53/69#5 5/11 12. Tenglamani yeching: 3(x+2)-2(x+3)=7-5(x+1) #1 -1/3 #2 1/3 #3 -1 #4 2 #5 -2/3 13.Yo’nalishlar va uzunlik birligi tanlangan ikkita o’zaro … to’g’ri chiziq tekislikda to’g’ri burchakli koordinatalar sistemasi deyiladi. #1 parallel #2 perpendikulyar #3 kesishgan #4 kesishmaydigan #5 ustma-ust 14. M(4;8) yozuvida 8 soni nima deyiladi? #1 koordinata #2 ordinata #3 abssissa #4 chapdagi son #5 o’ngdagi son 15. x>0, y<0 koordinatalar sistemasida nimani bildiradi? #1 IV-chorak #2 III-chorak #3 II-chorak #4 I-chorak #5 koordinatalar boshi 16. Koordinata tekisligining abssissalari erkli o’zgaruvchining qiymatlariga, ordinatalari esa funksiyaning mos qiymatlariga teng bo’lgan barcha nuqtalar to’plami funksiyaning … deyiladi. #1 aniqlanish sohasi #2 qiymatlari to’plami #3 qiymati #4 nollari #5 grafigi 17. OA to’g’ri chiziq koordinatalar boshidan va A( nuqtadan o’tadi. Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi bo’ladi? y=7x , y= -14x, y=14x , y= -7x ,y= 21x #1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x 18. Chiziqli funksiya deb … ko’rinishdagi funksiyaga aytiladi. #1 y= ax 2 +bx+c #2 y= #3 y= ax 4 +bx
2 +c #4 y= x 3 #5 y= kx+b 19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. 3y-4x-3=0
20. Kitob va dafatr birgalikda 1100 so’m turadi.Kitob narxining 5% I daftar narxining 10% I dan 25 so’m qimmat. Kitob qancha turadi? 21. Funksiya P(x)= formula bilan berilgan P(0) ni toping
22. y= kx+2 funksiyaning grafigi P(-7;-12) nuqtadan o’tishi ma’lum bo’lsa k ni toping. 23. y= kx-5 funksiyaning grafigi P(10;30) nuqtadan o’tishi ma’lum bo’lsa k ni toping.
24. To’g’ri chiziq A(0;-4) va B(2;5) nuqtalardan o’tadi. Uning tenglamasini yozing 25. y= kx+b funksiya grafigi A(0;4) va B(1;5) nuqtalardan o’tadi k va b ni toping
Algebra VIII-sinf.I-chorak test.D-variant
1. Quyidagi nuqtalarning qaysilari y=-2x+5 funksiya grafigiga tegishli emas: 1)(1;-3); 2) (0;5); 3) (2;3); 4) (3;-1); 5) (-1;6); 6) (-2;9) ? #1 2,3,4 #2 4,5,6 #3 1,2,4 #4 1,3,5 #5 1,3,6 2. y=kx+b funksiya grafigi M(0;-1) ,N(1;-5) nuqtalardan o’tadi.k va b ni toping. #1 k=2,b=3 #2 k=3, b=2 #3 k=-4, b=-1 #4 k=2, b= -3 #5 k=-3, b= -2
3. y=-5x+3 funksiya grafigida koordinatalari yig’indisi 15ga teng bo’lgan nuqtani toping. #1 (3;15) #2 (-3;18) #3 (-4;19) #4 (-2;17) #5 unday nuqta yo’q 4. y=-3x-5 funksiya grafigining koordinata o’qlari bilan kesishish nuqtalari koordinatalarini toping: #1(0;-5) va(-5/3;0) #2 (0;-5) va (-3/5;0) #3 (0;5) va (3/5;0) #4 (0;5) va (5/3;0) #5 to’g’ri javob yo’q 5 . 4 3
3 8
y x
1 2 5 2 7 y x y
#1 x=1, y=1/3 #2 x=1/2, y=-1/3 #3 x=1, y=1 #4 x=-1/8, y=-1 #5 to’g’ri javob yo’q 6. x;y) sonlar juftligi 2 4 3 4 2 7 6 y x y x sistemaning yechimi bo’lsa,x 2 -y
ni toping
0 6
4 3 2 5
x x y
#1 0 #2 1 #3 2 #4 -1 #5 4
7. Qaysi son qavsdan tashqariga chiqadi? 81*17-15*81=? #1 17#2 81#3 15#4 17 va 15#5 15 va 81 8. Amallarni bajaring: (-a) 3 *(2a)=? #1 -3a#2 -2a 4 #3 -4a 3 #4 -2a 2 #5 -3a 2
9. a 2 –b
2 nimaga teng? #1 (a-b)(a+b)#2 a 2 +2ab+b 2 #3 a
2 -2ab+b
2 #4 (a+b) 2 a#5 a +ab+b 10. (1+a)(1-a) =? #1 1+a
2 #2 1-a
2 #3 1
2 +a
2 #4 1+a #5 1-a 11. Ifodani soddalashtiring va uning son qiymatlarini toping. (4c+ 2 ) 4 1 4 ( ) 4 1 4 )( 4 1
c x c x
#1 8 #2 9#3 6#4 7#5 15 12. Tenglamani yeching: 8(x+2)-6=7-(5-8x) #1 -2 #2 0,5 #3 1,6 #4 ildizga ega emas #5 5/8 13. Gorizontal Ox to’g’ri chiziq … o’qi deyiladi. #1 koordinatalar #2 simmetriya #3 abssissalar #4 ordinatalar #5 markaziy 14. x>0, y>0 koordinatalar sistemasida nimani bildiradi? #1 IV-chorak #2 III-chorak #3 II-chorak #4 I-chorak #5 koordinatalar boshi 15. A(0;y) to’g’ri chiziq Ox o’qiga … #1 parallel #2 perpendikulyar #3 kesishgan #4 kesishmaydigan #5 ustma-ust 16. Funksiya P(x)= formula bilan berilgan P(3) ni toping #1 #2 #3 3 #4 5 #5 7 17. OA to’g’ri chiziq koordinatalar boshidan va A( nuqtadan o’tadi. Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi bo’ladi? y=7x , y= -14x, y=14x , y= -7x ,y= 21x #1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x 18. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. Y=x+1 #1 x= -1 #2 x= #3 x= #4 x=- #5 x=-3 19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. Y=x+3
20. Kitob va dafatr birgalikda 1100 so’m turadi.Kitob narxining 5% I daftar narxining 10% I dan 25 so’m qimmat. Daftar qancha turadi? 21. Funksiya P(x)= formula bilan berilgan P(4) ni toping
22. y= kx+3 funksiyaning grafigi P(-6;9) nuqtadan o’tishi ma’lum bo’lsa k ni toping. 23. To’g’ri chiziq A(0;-1) va B(2;5) nuqtalardan o’tadi. Uning tenglamasini yozing
24. To’g’ri chiziq A(0;-6) va B(2;6) nuqtalardan o’tadi. Uning tenglamasini yozing 25. y= kx+b funksiya grafigi A(0;5) va B(4;45) nuqtalardan o’tadi k va b ni toping Algebra VIII-sinf.II-chorak test.A-variant
- ko’rinishidagi sonlar( bu yerda m,va n natural sonlar) … sonlar deyiladi #1 Ratsional #2 Musbat kasr #3 Manfiy kasr #4 Natural #5 Butun 2. Ifodaning son qiymatini toping: a 3 b
c 2 , bunda a= -1 , b= -3 , c= 2 #1 -36 #2 -1 #3 -144 #4 648 #5 0 3. Ifodaning son qiymatini toping: a 3 b
c 2 , bunda a= -1 , b= 3 , c= 0 #1 -36 #2 -1 #3 -144 #4 648 #5 0 4. Tenglamani yeching: 3x-x 2 =0
#1 0; 2 #2 0;4 #3 Ildizi yo’q #4 0;3 #5 -4;4 5. Agar a-b ayirma 0 bo’lsa a son b soniga … bo’ladi #1 katta #2 kichik #3 teng #4 Hammasi to’g’ri #5 TJY 6. Sonlarni taqqoslang: 0,1 va #1 > #2 = #3 < #4 Taqqoslab bo’lmaydi #5 TJY 7. a>b va c>0 bo’lsa,ac va bc uchun to’g’ri tengsizlikni toping #1 ac 8. Agar 4a-2b > 3a-b bo’lsa, u holda … bo’ladi #1 a>b #2 a
9. Agar 4a-2b < 3a-b bo’lsa, u holda … bo’ladi #1 a>b #2 a
10. 3,25<4,25 tengsizlikni ikkala qismini 4 ga ko’paytirish natijasini toping. #1 13<17 #2 -13>-17 #3 -3 <7 #4 3<7 #5 1> 11. > tengsizlikni ikkala qismini 4 ga ko’paytirish natijasini toping. #1 13<17 #2 -13>-17 #3 -3 <7 #4 3<7 #5 1> 12. Tengsizliklarni qo’shing: 5x+y<2x-1 va 3y-5x<14-2y #1 x+4y< 2x-2y+15 #2 4y<2x-2y+13 #3 x+4y<15 #4 x+y<15 #5 x+y<2x-2y+15 13. Tengsizliklarni ko’paytiring: 2
#1 28> 8 #2 25<58 #3 x 2 -4<4 #4 12< 4x 2 -1 #5 10x-15<27-36x 14. Tengsizliklarni ko’paytiring: 2x-3< 3- 4x va 5<9
#1 28> 8 #2 25<58 #3 x 2 -4<4 #4 12< 4x 2 -1 #5 10x-15<27-36x 15. Tengsizlikni qanoatlantiruvchi eng kata butun sonni toping: x 24 #1 -9 #2 -8 #3 -1 #4 24 #5 -20 16.2- 1
2
ifoda a ning istalgan qiymatida ishorasi qanday boladi? #1 musbat#2 manfiy#3 musbat ham manfiy ham e'mas#4 -1 dan bohsqa ihtiyoriy#5 0 ga teng 17. x ning tengsizlikni qanoatlantiruvchi eng katta butun qiymatini toping. #1 -32#2 -31 #3 -33#4 33#5 31
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