📚 Savol banki

49. 52. Tomonlari 5 sm va 8 sm bo‘lgan to‘g‘ri to‘rtburchak perimetri nechaga teng?

1. 13 sm
2. 20 sm
3. 26 sm
4. 40 sm

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50. 51. To‘g‘ri to‘rtburchakning barcha tomonlari yig‘indisi nima deyiladi?

1. Yuza
2. Perimetr
3. Hajm
4. Diagonal

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51. 50. y = 5x - 2 funksiyada x = 2 bo‘lsa, y nechaga teng?

1. 6
2. 8
3. 10
4. 12

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52. 49. y = 2x + 1 funksiyada x = 3 bo‘lsa, y nechaga teng?

1. 5
2. 6
3. 7
4. 8

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53. 48. 3(x - 5) ifodasi nimaga teng?

1. 3x - 5
2. 3x - 15
3. 3x + 15
4. x - 15

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54. 47. 4(x + 2) ifodasi qanday ochiladi?

1. 4x + 2
2. 4x + 6
3. 4x + 8
4. x + 8

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55. 46. 10x + 5x nechaga teng?

1. 15
2. 15x
3. 50x
4. 5x

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56. 45. a² - b² qanday ko‘paytuvchilarga ajraladi?

1. (a-b)(a+b)
2. (a+b)²
3. (a-b)²
4. a(a-b)

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57. 44. (a - b)² formulasi qaysi?

1. a² + 2ab + b²
2. a² - 2ab + b²
3. a² - b²
4. a² + b²

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58. 43. (a + b)² formulasi qaysi?

1. a² + b²
2. a² + 2ab + b²
3. a² - 2ab + b²
4. a² - b²

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59. 42. a = 3, b = 4 bo‘lsa, a + b nechaga teng?

1. 5
2. 6
3. 7
4. 8

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60. 41. x = 5 bo‘lsa, x² + 3 nechaga teng?

1. 25
2. 28
3. 30
4. 35

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