8-sinf uchun matematika fanidan test
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8 синф тест
8-sinf uchun matematika fanidan test 1.225 sonining kvadrat ildizini hisoblang A)14 B)14,5 C)15 D)16. 2.x=5 bo’lganda √𝑥 2 − 2𝑥 + 1 ifodaning qiyma tini hisoblang A)4 B)0 C)1 D)6. 3.Taqqoslang: 2,7 va √7 A)> B)< C)= D)≥ . 4. √24 qanday natural sonlar orasida yotadi? A) 2 va 3 B) 4 va 5 C) 5 va 6 D) 4 va6 . 5.Hisoblang:√ 900 ∗ 25 ∗ 1,69 A)213 B)167 C)195 D)234. 6.Hisoblang: √5 4 ∗ 3 2 A)63 B)70 C)82 D)75. 7.Ifodaning qiymatini toping: √72 √8 + 5 A) 4 B) 8 C) 10 D) 9 . 8.Hisoblang: ( √7-√28 ) 2 . A)6 B)5 C)7 D)8. 9.Ifodaning qiymatini toping: 3 √48-√75+√147 A)10√3 B)11√3 C)14√3 D)16√3. 10.Ifodani soddalashtiring: 6 √3−√2 + 6 √3+√2 A) 12 √3 B) 13√2 C) 12√2 D)14√3 . 11.Hisoblang: √ 11 + 4√7+√11 − 4√7 A) 4 B)7 C)2 √5 D)2√7. 12.Tenglamani yeching: 𝑥 2 -225 =0 A) X= ±15 B) X=25 C)X=±17 D)X= 17. 13.Chala kvadrat tenglamani yeching: 25- 16𝑥 2 =0 A)x= ±4 B)x= 4 5 C)x=± 5 4 D)x=±5. 14.Tenglamani yeching: 2 𝑥 2 − 7𝑥 + 6 = 0 A)x1=7;x2=3 B)x1=1,5;x2=2 C)x1=3;x2=5 D)x= ±4 15.Tenglamani yeching: 𝑥 2 + 6𝑥 + 5 = 0 A)x1=1;x2=2 B)x1=-5;x2=-1 C)x= ±2 D)x=±5. 16.Tomonlari 17sm,65sm,80sm bo’lgan uchbur- chak yuzini toping. A)S=232 𝑠𝑚 2 B)S=188 𝑠𝑚 2 C)S=288 𝑠𝑚 2 D)300 𝑠𝑚 2 17.Aylana radiusiga to’g’ri ta’rif berilgan qator ni berilgan qatorni belgilang . A)Aylanada yotgan ikki nuqtani tutashtiruvchi kesma aylananing radiusi deyiladi B)Uchi aylana markazida yotgan burchak aylana ning radiusi deyiladi C)Aylanada yotgan ixtiyoriy nuqta bilan uning markazini tutashtirgan kesma aylananing radiusi deyiladi D)Aylana markazidan o’tgan vatar aylananing radiusi deyiladi . 18.Markaziy burchakka mos yoy aylananing 2 9 qismiga teng.Shu markaziy burchakni toping. A) 80° B)90° C)120° D)110°. 19.Aylananing ichki burchagi 78°li yoyga tiral gan.Ichki burchak necha gradusga teng? 20.Agar teng tomonli uchburchakning balandligi 30 smga teng bo’lsa,unga ichki chizilgan aylana radiusini toping. 8-sinf uchun matematika fanidan test 1.225 sonining kvadrat ildizini hisoblang A)14 B)14,5 C)15 D)16. 2.x=5 bo’lganda √𝑥 2 − 2𝑥 + 1 ifodaning qiyma tini hisoblang A)4 B)0 C)1 D)6. 3.Taqqoslang: 2,7 va √7 A)> B)< C)= D)≥ . 4. √24 qanday natural sonlar orasida yotadi? A) 2 va 3 B) 4 va 5 C) 5 va 6 D) 4 va6 . 5.Hisoblang:√ 900 ∗ 25 ∗ 1,69 A)213 B)167 C)195 D)234. 6.Hisoblang: √5 4 ∗ 3 2 A)63 B)70 C)82 D)75. 7.Ifodaning qiymatini toping: √72 √8 + 5 A) 4 B) 8 C) 10 D) 9 . 8.Hisoblang: ( √7-√28 ) 2 . A)6 B)5 C)7 D)8. 9.Ifodaning qiymatini toping: 3 √48-√75+√147 A)10√3 B)11√3 C)14√3 D)16√3. 10.Ifodani soddalashtiring: 6 √3−√2 + 6 √3+√2 A) 12 √3 B) 13√2 C) 12√2 D)14√3 . 11.Hisoblang: √ 11 + 4√7+√11 − 4√7 A) 4 B)7 C)2 √5 D)2√7. 12.Tenglamani yeching: 𝑥 2 -225 =0 A) X= ±15 B) X=25 C)X=±17 D)X= 17. 13.Chala kvadrat tenglamani yeching: 25- 16𝑥 2 =0 A)x= ±4 B)x= 4 5 C)x=± 5 4 D)x=±5. 14.Tenglamani yeching: 2 𝑥 2 − 7𝑥 + 6 = 0 A)x1=7;x2=3 B)x1=1,5;x2=2 C)x1=3;x2=5 D)x= ±4 15.Tenglamani yeching: 𝑥 2 + 6𝑥 + 5 = 0 A)x1=1;x2=2 B)x1=-5;x2=-1 C)x= ±2 D)x=±5. 16.Tomonlari 17sm,65sm,80sm bo’lgan uchbur- chak yuzini toping. A)S=232 𝑠𝑚 2 B)S=188 𝑠𝑚 2 C)S=288 𝑠𝑚 2 D)300 𝑠𝑚 2 17.Aylana radiusiga to’g’ri ta’rif berilgan qator ni berilgan qatorni belgilang . A)Aylanada yotgan ikki nuqtani tutashtiruvchi kesma aylananing radiusi deyiladi B)Uchi aylana markazida yotgan burchak aylana ning radiusi deyiladi C)Aylanada yotgan ixtiyoriy nuqta bilan uning markazini tutashtirgan kesma aylananing radiusi deyiladi D)Aylana markazidan o’tgan vatar aylananing radiusi deyiladi . 18.Markaziy burchakka mos yoy aylananing 2 9 qismiga teng.Shu markaziy burchakni toping. A) 80° B)90° C)120° D)110°. 19.Aylananing ichki burchagi 78°li yoyga tiral gan.Ichki burchak necha gradusga teng? 20.Agar teng tomonli uchburchakning balandligi 30 smga teng bo’lsa,unga ichki chizilgan aylana radiusini toping. Download 242.37 Kb. Do'stlaringiz bilan baham: |
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