Algebra viii-sinf. I-chorak test. A-variant

Algebra VIII-sinf.III-chorak test.C-variant

1. 
   Hisoblang: (
   

 7)(

 7)

#1 10 #2 3 #3 7 #4 -7 #5

2. 
   Hisoblang:
   

#1 21 #2 1,4 #3 1,5 #4 210 #5 TJY

3. 
   Tenglamani yeching:
   

 7  x

#1 #2 x  7

#3 x  7

#4 x  7

#5 x  7

4. 
   x²+5x-6=0 kvadrat tenglamani kichik ildizini katta ildiziga nisbatini toping #1 6#2 -6#3 #4 - #5 1
   
5. 
   x²-px+8=0 tenglamaning ildizlaridan biri 4 ga teng.Bu tenglamaning barcha koyeffitsiyentlari yigindisini toping #1 3#2 2#3 15#4 14#5 4
   
6. 
   m ning qanday qiymatlarida x²-4mx+48=0 tenglamaning ildizlaridan biri bosh qasidan 3 marta kichik bo'ladi? #1 2#2 -4;4#3 -3;3 #4 4 #5 -2;2
   

7. =0 tenglamani yeching

#1 1#2 1; #3 #4 5#5

8. 
   Tenglamani yeching: x²=64
   

^{#1 x}1,2^{=  8}

#2 x=8 #3 x=-8 #4 x=32 #5

8. 
   Tenglamani yeching: x²+9x=0
   

^{#1 x}1,2^{= -9 #2 x}1,2<sup>=  3

#3 x</sup>1,2^{=9 #4 x}1^{=9, x}2^{=0 #5 x}1^{=0, x}2^{= -9}

8. 
   Kvadrat tenglamani yeching: x²-7x+10=0
   

^{#1 x}1^{=-2, x}2^{=2 #2 x}1^{=-5, x}2^{=2 #3 x}1^{=5, x}2^{=1 #4 x}1^{=2, x}2^{=5 #5 TJY}

8. 
   ^{x2+6x+q=0 kvadrat tenglamaning x}1 ^{va x}2 ^{ildizlari x}2^=2x1 ^{shartni qanoatlantiradi.Ildizlari yig’indisini toping} #1 8 #2 -2 #3 -4 #4 -6 #5 10
   
9. 
   ^{x2+px+3=0 kvadrat tenglamaning x}1 ^{va x}2 ^{ildizlari x}2^=3x1 ^{shartni qanoatlantiradi. x}2 ^{ni toping} #1 #2 #3 #4 10 #5 3
   
10. 
    ^{3x2-8x-15=0 tenglama berilgan.x}1 ^{va x}2 ^{ildizlari bo’lsa ni toping} #1 - #2 17 #3 3 #4 32 #5
    
11. 
    ax²+bx+c=0, a,b , c berilgan sonlar ,a , x esa noma’lum ko’rinishidagi tenglama…tenglama deyiladi #1 Bikvadrat #2 kvadrat #3 chiziqli #4 trigonometrik #5 kasr-ratsional
    
12. 
    ax⁴+bx+c=0, a,b , c berilgan sonlar ,a , x esa noma’lum ko’rinishidagi tenglama…tenglama deyiladi #1 Bikvadrat #2 kvadrat #3 chiziqli #4 trigonometrik #5 kasr-ratsional
    
13. 
    Ildizlari 10 va -2 bo’lgan kvadrat tenglama tuzing:
    

#1 x²-8x-20=0, #2 x²-12x+32=0 #3 x²-4x-5=0 #4 x²+7x+12=0 #5 x²-2x-15=0

8. 
   Ildizlari 5 va -3 bo’lgan kvadrat tenglama tuzing:
   

#1 x²-8x-20=0, #2 x²-12x+32=0 #3 x²-4x-5=0 #4 x²+7x+12=0 #5 x²-2x-15=0

8. 
   Kvadrat uchhadni ko’paytuvchilarga ajrating: 2x²-x-1
   

#1 (x-2)(x-3) #2 (x-1)(x+5) #3 (x-3)(x+8) #4 (x+0,5)(x-1) #5 (x+7)(x-6)

8. 
   x²+5x-6=0 kvadrat tenglamani ildizlari ko’paytmasini toping
   
9. 
   x²-px+8=0 tenglamaning ildizlaridan biri 4 ga teng.Bu tenglamaning ikkinchi ildizini toping
   
10. 
    2x²+x-a=0 tenglamaning ildizlaridan biri 2 ga teng. Bu tenglamaning barcha koyeffitsiyentlari yig’indisini toping
    
11. 
    p ning qanday qiymatlarida x²+px+15 =0 tenglamaning ildizlaridan biri 3 ga teng bo'ladi?
    
12. 
    ^{x2+2x+1=0 tenglamaning ildizlari x}1 ^{va x}2 ^{bo'lsa + ni hisoblang}
    
13. 
    Tenglamani yeching: (x-1)⁴-5(x-1)² +4=0
    
14. 
    Kasrni qisqartiring: