Tengsizlikni yeching. A)(-3;3) B)(-3;0)∪(0;3) C)


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TEST 16


Test 1 6

  1. Tengsizlikni yeching.

A)(-3;3) B)(-3;0)∪(0;3) C)(-3;-1)∪(1;3) D)(1;3)

  1. Sonlarni kamayish tartibida yozing.

m=|4,8| ; n=|-4,(8)| p=|4 | q=|-3,2|
A)n>m>p>q B)m>n>p>q
C)m>p>q>n D)p>m>q>n

  1. Tenglamani yeching. 3|x|+1=|x|+7

A)3 B)3; -3 C)-3 D)∅

  1. Tengsizlikning eng katta butun va eng kichik butun yechimlari yig’indisini toping.

A)2 B)3 C)-3 D)-2

  1. Tengsizlikni yeching. |x+1|>2|x+2|

A)(-2;-1) B)[-3;-1] C)(-3; ) D)(-3;0)

  1. Hisoblang.

A) B) C)7 D)49

  1. Ifodani ko’paytuvchilarga ajrating. (a+b)2-(b+c)2

A)(a-c)(a-2b+c) B)(a-c)(a+2b+c)
C)(a+c)(a+2b-c) D)(a-c)(a+2b-c)

  1. x2-2|x|<3 tengsizlikning butun sonlardan iborat yechimlari nechta? A)7 B)6 C)5 D)4

  2. Hisoblang.

A)1 B) C)1 D)1

  1. Tenglamaning yechimlari ko’paytmasini toping.


A)45 B)-45 C)9 D)-9

  1. Tengsizliklar sistemasini yeching.

A)[2;12,5) B)(2,5;∞) C)[-3;2) D)(-2,5;3]

  1. Tengsizlikni qanoatlantiruvchi eng katta natural sonni toping. |2x+3|<7 A)1 B)2 C)3 D)4

  2. Tenglamaning nechta ildizi bor? |x+1|=|2x-1|

A)4 B)3 C)2 D)1

  1. Hisoblang.

A)1 B)-1 C)2 D)-2

  1. y ni toping.

A)0 B)1 C)2 D)-2

  1. Tenglamani yeching. |x+1|+|x-2|=3

A)2 B)-1 C)[-1;2] D)[2;∞)

  1. Agar va x2-7x+6=0 tenglamaning ildizlari bo’lsa, ni toping.

A)37 B)38 C)7 D)6

  1. Hisoblang. 3

A) B) C) D)

  1. Tengsizlik nechta butun yechimga ega? |x+2|≤3

A)5 B)6 C)7 D)4

  1. Tenglamani yeching. 6,9 4,6 x 5,4

A)7,1 B)7,7 C)8,1 D)8,4

  1. Soddalashtiring. (3m-a)(a+3m)-(2a+m)(3a-m)

A)10m2-am-7a2 B)10m2+am-7a2
C)10m2-am+7a2 D)10m2+am+7a2

  1. |x|=x2-6 tenglamaning ildizlari ko’paytmasini toping.

A)-6 B)-1 C)3 D)-9

  1. Tengsizlikni yeching. (x-12)(x-13)≥0

A)(-∞;12]∪[13;∞) B)[12;13] C)[13;∞) D)(-∞;13]

  1. Tenglamaning ildizlari yig’indisini toping. |3x-5|=5

A) B)0 C) D)

  1. Kasrni qisqartiring.

A) B) C) D)

  1. tenglamaning ildizlari ko’paytmasini toping.

A)4 B)2 C)1 D)-1

  1. Tengsizlikni yeching. 7(x+5)+10>17

A)(-4;∞) B)(-∞;-4) C)(4;∞) D)(-∞;4)

  1. Hisoblang. 12

A)2 B)2 C)4 D)3

  1. Tengsizlikning eng katta manfiy butun yechimini toping. |x-3|≤7

A)-4 B)-3 C)-2 D)-1

  1. Tenglamaning nechta ildizi bor? x2+|x|-2=0

A)0 B)1 C)2 D)3


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