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Dars uslubi : Yozma ish
Tashkiliy qism
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bet | 56/133 | Sana | 29.08.2021 | Hajmi | 4,68 Mb. | | #158493 |
| Bog'liq 9-sinf Algebra dars ishlanmalari
Dars uslubi : Yozma ish
Tashkiliy qism.
Salomlashish. Navbatchining o’quvchilar davomati, darsga tayyorligi to’g’risidagi axborotini tinglash.
Darsning borishi:
I variant
1. y= funksiyaning aniqlanish sohasini toping.
2. y= va y= funksiyalarning grafiklarini yasamasdan, ularning kesishish nuqtalarining koordinatasini toping.
3. y= funksiyaning grafigini yasang va xossalarini ko’rsating.
4. Tenglamani yeching: =4-x
5. Tengsizlikni yeching: <4
II variant
1. y= funksiyaning aniqlanish sohasini toping.
2. y= va y=2x funksiyalarning grafiklarini yasamasdan, ularning kesishish nuqtalarining koordinatasini toping.
3. y= funksiyaning grafigini yasang va xossalarini ko’rsating.
4. Tenglamani yeching: =7-x
5. Tengsizlikni yeching: <5
Yechimlari:
I variant
Aniqlanish soha: 12-4x-x2 ≥ 0 tengsizlikning yechimlari bo’ladi.
1 2-4x-x2=0; x1=-6; x2=2.
Javob: -6≤ x ≤ 2
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