8 sinf matematika I chorak


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8-sinf-chorak-test


  • Tenglamani yeching: A. 5 B.3 C. 2 D. 1

  • Qavariq ko’pburchakning burchaklari kattaliklari 2:3:4:5:6 kabi nisbatda . Eng katta burchakning o’lchovini toping:

    A. 1360 B.1620 C. 1550 D. 1450

    1. 1,25 ga teskari bo’lgan sonni ko’rsating: A. 8 B.-0,8 C. 0,8 D. -1,25

    2. ABCD trapetsiyaning kichik asosi 6 ga teng. Agar ABE uchburchakning () perimetri 36 sm bo’lsa, trapetsiyaning perimetrini toping. A.48 B.42 C. 52 D. 45

    3. y=-0,5x+3 chiziqli funksiya uchun x=1 dagi funksiyaning qiymatini hisoblang?

    A. 2,5 B.-2,5 C. 2 D. 1

    1. x=-2 bo’lganda y=-2x funksiya qiymatini hisoblang:

    A. 2 B.4 C. 1 D. 3

    1. To’g’ri to’rtburchakning eni 5 ga teng, bo’yi undan 7 ga ortiq bo’lsa, shu to’rtburchakning perimetrini toping.

    A.34 B. 32 C. 26 D. 30

    1. y(x)= 3x-1 chiziqli funksiya berilgan. y(1) ni hisoblang?

    A. 1 B.3 C. 2 D. 4

    1. y= -3x+b funksiya grafigi M(5;2) nuqtadan o’tishi ma’lum bo’lsa, b ni toping?

    A. 15 B.14 C. 12 D. 17

    1. y=4x va y= -x+10 funksiyalar grafiklari kesishish nuqtasi koordinatalarini toping?

    A. (2;8) B.(8;2) C. (-2;8) D. (0,8)

    1. tenglamalar sistemasini yeching? A. (3;7) B.(-3;7) C. (7;13) D. (7,3)

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