Bir noma’lumli tengsizliklar — 8-sinf Algebra test savollari

1.5(x + 2) + 2(x − 3) < 3(x − 1) + 4x tengsizlikni yeching.

• A)$x>\frac{5}{2}$
• B)$x<\frac{5}{2}$
• C)$x>-\frac{5}{2}$
• D)$x<-\frac{5}{2}$

2.3(2x − 1) + 3(x − 1) > 5(x + 2) + 2(2x − 3) tengsizlikni yeching.

• A)x > 5
• B)x < 5
• C)x > 1
• D)x < 1

3.3(x − 2) > 2(x + 1) tengsizlikni yeching.

• A)x > 8
• B)x < 8
• C)x > 4
• D)x < 4

4.2(x + 3) < 5x − 6 tengsizlikni yeching.

• A)x > 4
• B)x < 4
• C)x > 2
• D)x < 2

5.5 − 2x ≤ 3x + 10 tengsizlikni yeching.

• A)x ≥ −1
• B)x ≤ −1
• C)x ≥ 1
• D)x ≤ 1

6.4 − x ≥ 2x − 5 tengsizlikni yeching.

• A)x ≤ 3
• B)x ≥ 3
• C)x ≤ −3
• D)x ≥ −3

7.7 − 3x < 1 tengsizlikni yeching.

• A)x > 2
• B)x < 2
• C)x > −2
• D)x < −2

8.Bir noma’lumli chiziqli tengsizlik qanday umumiy ko‘rinishlarda bo‘ladi?

• A)ax > b, ax < b, ax ≥ b, ax ≤ b
• B)ax² > b
• C)ax = b
• D)a/x > b

9.Tengsizlikning 1-xossasiga ko‘ra, had bir qismdan ikkinchi qismga o‘tkazilganda nima o‘zgaradi?

• A)hadning ishorasi qarama-qarshisiga almashadi
• B)tengsizlik ishorasi almashadi
• C)hech narsa o‘zgarmaydi
• D)had qiymati ikki baravar ortadi

10.x + 1 > 7 − 2x tengsizlikni yeching.

• A)x > 2
• B)x < 2
• C)x > −2
• D)x < −2