Tenglamalar va tenglamalar sistemasi — test savollari javoblari bilan (4-sahifa)
Matematika · 39 ta ochiq savol (bankda jami 195 ta) · har birida to'g'ri javob va izoh
31. $16^x = 8$ tenglamani yeching.
- A) $\frac{3}{4}$
- B) $\frac{1}{2}$
- C) $\frac{4}{3}$
- D) $2$
Javobni ko'rish
To'g'ri javob: A) $\frac{3}{4}$
32. $2^x \cdot 4^x = 64$ tenglamani yeching.
- A) $3$
- B) $2$
- C) $6$
- D) $4$
Javobni ko'rish
To'g'ri javob: B) $2$
33. $4^x - 3 \cdot 2^x + 2 = 0$ tenglamaning ildizlari yig'indisini toping.
- A) $0$
- B) $1$
- C) $2$
- D) $3$
Javobni ko'rish
To'g'ri javob: B) $1$
34. $9^x - 4 \cdot 3^x + 3 = 0$ tenglamaning ildizlari ko'paytmasini toping.
- A) $1$
- B) $0$
- C) $-1$
- D) $3$
Javobni ko'rish
To'g'ri javob: B) $0$
35. $3^{x+1} + 3^{x-1} = 30$ tenglamani yeching.
- A) $3$
- B) $1$
- C) $2$
- D) $4$
Javobni ko'rish
To'g'ri javob: C) $2$
36. $2^{2x+1} - 5 \cdot 2^x + 2 = 0$ tenglamaning ildizlari yig'indisini toping.
- A) $1$
- B) $0$
- C) $-1$
- D) $2$
Javobni ko'rish
To'g'ri javob: B) $0$
37. $5^{x+1} - 5^{x-1} = 24$ tenglamani yeching.
- A) $0$
- B) $2$
- C) $1$
- D) $-1$
Javobni ko'rish
To'g'ri javob: D) $-1$
38. $2^x + 2^{x+2} = 40$ tenglamani yeching.
- A) $4$
- B) $2$
- C) $3$
- D) $5$
Javobni ko'rish
To'g'ri javob: D) $5$
39. $25^x - 6 \cdot 5^x + 5 = 0$ tenglamaning katta ildizini toping.
- A) $0$
- B) $1$
- C) $2$
- D) $5$
Javobni ko'rish
To'g'ri javob: B) $1$
Bu — mavzuning ochiq namuna qismi. To'liq bank, vaqt rejimi, tahlil va xatolar ustida ishlash — test rejimida.
