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Логарифмы и корни степени

Authored by Елена Буханова

Mathematics

11th Grade

Логарифмы и корни степени
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: log2(x) + log2(x-3) = 3.

(3 + sqrt(41))/2

2

7

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Преобразуйте выражение: log(a^b) в более простую форму.

b * log(a)

log(a) + log(b)

log(b^a)

a * log(b)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите корень степени: 2^x = 16.

8

6

4

2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Постройте график функции: y = log(x).

The graph of y = log(x) is a straight line passing through (0, 0) and (1, 1).

The graph of y = log(x) is a curve that starts at (0, 0) and rises steeply as x increases.

The graph of y = log(x) is a horizontal line at y = 1 for all x > 0.

The graph of y = log(x) is a curve that starts from negative infinity at x = 0 and passes through (1, 0), rising slowly as x increases.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какое свойство логарифмов используется в: log(a*b) = log(a) + log(b)?

Логарифм суммы (log(a + b) = log(a) + log(b))

Логарифм произведения (log(a*b) = log(a) + log(b))

Логарифм частного (log(a/b) = log(a) - log(b))

Логарифм степени (log(a^b) = b * log(a))

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: log3(x-1) = 2.

8

10

5

12

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Преобразуйте: log(x^2) - log(x) в более простую форму.

log(x^2) + log(x)

log(1/x)

log(x^3)

log(x)

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