1. Kvadrat funksiyaning nollarini toping: y =

9-Sinf

1. Kvadrat funksiyaning nollarini toping: y =

A)

2. Tengsizlikni kvadrat tengsizlik ko’rinishida keltiring: 3

A)3)

3. Tengsizlikni yeching:

A)x<-3,x>1 B)0 C)1 D)x>1,x<-2

4. Kvadrat tengsizlikni yeching:

A)x≤-1;x

5. Tenglamani yeching : = 3

A)x=3 B)x=5 C)x=2 D)X=0

6. Tenglamani yeching:

A)x=0 B)x=0.2 C)x=0.4 D)x=0.3

7. Hisoblang;

A)y<5 B)y<3 C)y<0 D)y<6

8. Tenglamani yeching: x +

A)

9. Uchta tomoniga ko’ra uchburchakni yuzini toping: 4,13,15

A) 24 B) 22 C) 18 D) 12

10. Trigonometrik tenglamani yeching: 1 - sinx = 0

A)

Test Javoblari; 1)C 2)B 3)A 4)A 5)B 6)B 7)A 8)A 9)A 10)A

9-sinf test yechilishi bilan

1) Yechish: +3=0

x= C) nollari yo’q

2) 3-1>x berilgan bo’lsa, 3 ko’rinishiga keladi.

3)

== =

= X<-3 x>1 ko’rinishga keladi

4)

(x-4) (x+1) A) x

5) (

2x-1 = 9 ; 2x= 9 +1 ; 2x = 10 x=10/2; x=5

6) (

0,4-=9

9

10

x= 0,2 Teng bo’ladi: B

7)

Y= 5 ga, chunki =5*5*5=125 ga teng

8) x+

(x-

-8x+16=13-4x

-4x+3=0 13-4x

(x-3)(x-1)=0 x

x-3=0 x-1=0

x=3 x=0 Javob A

9) Yechilishi:

P==

13 15 S=

==24 Javob A

4

10) 1-sinx=0

-sinx=0-1

-sinx=-1

sinx=1

sin=1 x= +2