sinf Algebra – Nazorat ishi

9 – sinf Algebra
1 – Nazorat ishi
1 – variant

1. 
   A) Y=2x+3 b) y=4x+5 funksiyaning grafigini chizing. Grafik qaysi choraklarda yotadi? Grafik OX va Oy oqlarini qaysi nuqtalarda kesib o’tadi?
   

2. 
   Tenglamalar sistemasini yeching:
   

3.Tengsizlikni yeching:
x+3(2x+5)>2 2x-2(x+5)

4. 
   Hisoblang: +5∙(-6)-12:3=?
   

4. 
   Kvadrat tenglamani ildizlarini toping :
   

1. 
   +6x+7 =0 b) 6x²+7x-2=1
   

9 – sinf Algebra
1 – Nazorat ishi

2. 
   – variant
   

1 A) Y=-2x+5 b) y=2x+4 funksiyaning grafigini chizing. Grafik qaysi choraklarda yotadi? Grafik OX va Oy oqlarini qaysi nuqtalarda kesib o’tadi?

2. 
   Tenglamalar sistemasini yeching:
   

3.Tengsizlikni yeching:
-7x+2(3x+31)<(-4) (-10x) - 5(x+2)

4.Hisoblang: - 5∙(-7)+12:(-3)=?

5.Kvadrat tenglamani ildizlarini toping :

2. 
   +x-6 =0 b) x²-15x+56=0