Ko'rsatkichli tenglamalar — 10-sinf Algebra test savollari

1.$2^{x+1}=32$ tenglamani yeching.

• A)x=4
• B)x=5
• C)x=3
• D)x=16

2.$3^{2x-1}=27$ tenglamani yeching.

• A)x=2
• B)x=1
• C)x=3
• D)x=4

3.$4^x-5$·$2^x+4=0$ tenglamani yeching.

• A)x=0 va x=2
• B)x=1 va x=2
• C)x=0 va x=1
• D)x=4

4.$9^x-3^x-6=0$ tenglamani yeching $(t=3^x$ almashtirish bilan).

• A)x=1
• B)x=2
• C)x=1 va x=-2
• D)yechimi yo'q

5.$5^x=\frac{1}{25}$ tenglamani yeching.

• A)x=-2
• B)x=2
• C)$x=-\frac{1}{25}$
• D)x=25

6.$2^x$·$2^{x+1}=32$ tenglamani yeching.

• A)x=2
• B)x=3
• C)x=4
• D)x=1

7.$7^x=49$ tenglamani yeching.

• A)x=2
• B)x=7
• C)x=49
• D)x=1

8.$3^x=1$ tenglamani yeching.

• A)x=0
• B)x=1
• C)x=3
• D)yechimi yo'q

9.$2^{x-3}=\frac{1}{2}$ tenglamani yeching.

• A)x=2
• B)x=4
• C)x=-2
• D)x=3

10.$16^x=2^6$ tenglamani yeching.

• A)x=1,5
• B)x=2
• C)x=3
• D)x=6