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Решение логарифмических уравнений и неравенств

Authored by Ann Still

Mathematics

10th Grade

Used 3+ times

Решение логарифмических уравнений и неравенств
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: log₂(x) = 3

6

4

8

10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите логарифмическое выражение: log₄(16) - log₄(2)

4

3

2

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите все значения x, удовлетворяющие неравенству: log₃(x) > 2

x > 5

x > 7

x > 9

x > 10

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Проверьте, является ли x = 0 решением уравнения: log₅(x) = 2

No

Yes

Sometimes

Maybe

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Постройте график функции y = log₃(x)

y = log₃(x) graph is a straight line passing through the origin

y = log₃(x) graph is a vertical line

y = log₃(x) graph is a curve that starts at (-∞, -∞) and approaches the x-axis as x approaches 0. It passes through the points (1, 0), (3, 1), (9, 2), (27, 3), etc.

y = log₃(x) graph is a parabola opening upwards

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какое количество времени потребуется для удвоения суммы денег на сберегательном счете, если процентная ставка составляет 5% в год (используйте логарифмическую функцию)?

15.75 лет

13.86 лет

10.5 лет

7.92 лет

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: ln(x) = 4

x = e^2

x = e^3

x = e^4

x = e^5

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