Mencari Banyaknya Bilangan Bulat

MathematicsInequalitiesEasy

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Banyaknya bilangan bulat $x$ yang memenuhi pertidaksamaan

$$sqrt{x^2} < 5$$

adalah ...

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1
Step 1

Halo nyynaa, mari kita temukan banyaknya bilangan bulat x yang memenuhi pertidaksamaan ini bersama-sama.

Mencari Bilangan Bulat x

2
Step 2

Perhatikan pertidaksamaannya, yaitu akar kuadrat dari x kuadrat kurang dari lima.

$$√{x^2} < 5$$
3
Step 3

Kita perlu ingat bahwa akar kuadrat dari x kuadrat itu sama dengan nilai mutlak dari x.

4
Step 4

Jadi, pertidaksamaan kita dapat ditulis ulang menjadi nilai mutlak x kurang dari lima.

5
Step 5

Pertidaksamaan ini dapat kita buka menjadi x berada di antara negatif lima dan positif lima.

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About This Question

Subject
Mathematics
Topic
Inequalities
Difficulty
Easy
Question Type
Open Ended

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