|
9-sinf algebra 1-nazorat ishi. 1-variantBog'liq 9-sinf algebra 1-nazorat ishi
9-sinf algebra 1-nazorat ishi. 1-variant
1.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 5𝑥 − 24
2.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
4𝑥(𝑥 − 2) + 4𝑥 < −𝑥
2
3.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining ayirmasini toping:
−3𝑥
2
+ 4𝑥 + 5 = 0
4.
Tengsizlikni yeching:
3𝑥
2
− 3 < 𝑥
2
− 𝑥
5.
Tengsizlikni yeching:
(𝑥 + 2)(𝑥 − 7) < 0
9-sinf algebra 1-nazorat ishi. 2-variant
1.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining yig’indisini toping:
2𝑥
2
− 3𝑥 + 1 = 0
2.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 13𝑥 − 36
3.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
𝑥(3𝑥 + 1) − 6𝑥 < 2𝑥
2
+ 4
4.
Tengsizlikni yeching:
(𝑥 − 1)(𝑥 + 3) > 0
5.
Tengsizlikni yeching:
2𝑥
2
+ 15 < 𝑥
2
− 8𝑥
9-sinf algebra 1-nazorat ishi. 1-variant
1.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 5𝑥 − 24
2.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
4𝑥(𝑥 − 2) + 4𝑥 < −𝑥
2
3.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining ayirmasini toping:
−3𝑥
2
+ 4𝑥 + 5 = 0
4.
Tengsizlikni yeching:
3𝑥
2
− 3 < 𝑥
2
− 𝑥
5.
Tengsizlikni yeching:
(𝑥 + 2)(𝑥 − 7) < 0
9-sinf algebra 1-nazorat ishi. 2-variant
1.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining yig’indisini toping:
2𝑥
2
− 3𝑥 + 1 = 0
2.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 13𝑥 − 36
3.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
𝑥(3𝑥 + 1) − 6𝑥 < 2𝑥
2
+ 4
4.
Tengsizlikni yeching:
(𝑥 − 1)(𝑥 + 3) > 0
5.
Tengsizlikni yeching:
2𝑥
2
+ 15 < 𝑥
2
− 8𝑥
9-sinf algebra 1-nazorat ishi. 1-variant
1.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 5𝑥 − 24
2.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
4𝑥(𝑥 − 2) + 4𝑥 < −𝑥
2
3.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining ayirmasini toping:
−3𝑥
2
+ 4𝑥 + 5 = 0
4.
Tengsizlikni yeching:
3𝑥
2
− 3 < 𝑥
2
− 𝑥
5.
Tengsizlikni yeching:
(𝑥 + 2)(𝑥 − 7) < 0
9-sinf algebra 1-nazorat ishi. 2-variant
1.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining yig’indisini toping:
2𝑥
2
− 3𝑥 + 1 = 0
2.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 13𝑥 − 36
3.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
𝑥(3𝑥 + 1) − 6𝑥 < 2𝑥
2
+ 4
4.
Tengsizlikni yeching:
(𝑥 − 1)(𝑥 + 3) > 0
5.
Tengsizlikni yeching:
2𝑥
2
+ 15 < 𝑥
2
− 8𝑥
9-sinf algebra 1-nazorat ishi. 1-variant
1.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 5𝑥 − 24
2.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
4𝑥(𝑥 − 2) + 4𝑥 < −𝑥
2
3.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining ayirmasini toping:
−3𝑥
2
+ 4𝑥 + 5 = 0
4.
Tengsizlikni yeching:
3𝑥
2
− 3 < 𝑥
2
− 𝑥
5.
Tengsizlikni yeching:
(𝑥 + 2)(𝑥 − 7) < 0
9-sinf algebra 1-nazorat ishi. 2-variant
1.
Quyidagi kvadrat tenglamaning yechimlari kvadratlarining yig’indisini toping:
2𝑥
2
− 3𝑥 + 1 = 0
2.
Parabolaning koordinatalar o’qlari bilan kesishish nuqtalarining koordinatalarini toping:
𝑦 = 𝑥
2
− 13𝑥 − 36
3.
Tengsizlikni kvadrat tengsizlik ko’rinishiga keltiring:
𝑥(3𝑥 + 1) − 6𝑥 < 2𝑥
2
+ 4
4.
Tengsizlikni yeching:
(𝑥 − 1)(𝑥 + 3) > 0
5.
Tengsizlikni yeching:
2𝑥
2
+ 15 < 𝑥
2
− 8𝑥
Do'stlaringiz bilan baham: |
|
|