Tengsizlikni yeching. A)(-3;3) B)(-3;0)∪(0;3) C)
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Bog'liqTEST 16
Test 1 6 Tengsizlikni yeching. A)(-3;3) B)(-3;0)∪(0;3) C)(-3;-1)∪(1;3) D)(1;3) 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 Tenglamani yeching. 3|x|+1=|x|+7 A)3 B)3; -3 C)-3 D)∅ Tengsizlikning eng katta butun va eng kichik butun yechimlari yig’indisini toping. A)2 B)3 C)-3 D)-2 Tengsizlikni yeching. |x+1|>2|x+2| A)(-2;-1) B)[-3;-1] C)(-3; ) D)(-3;0) Hisoblang. A) B) C)7 D)49 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) x2-2|x|<3 tengsizlikning butun sonlardan iborat yechimlari nechta? A)7 B)6 C)5 D)4 Hisoblang. A)1 B) C)1 D)1 Tenglamaning yechimlari ko’paytmasini toping. A)45 B)-45 C)9 D)-9 Tengsizliklar sistemasini yeching. A)[2;12,5) B)(2,5;∞) C)[-3;2) D)(-2,5;3] Tengsizlikni qanoatlantiruvchi eng katta natural sonni toping. |2x+3|<7 A)1 B)2 C)3 D)4 Tenglamaning nechta ildizi bor? |x+1|=|2x-1| A)4 B)3 C)2 D)1 Hisoblang. A)1 B)-1 C)2 D)-2 y ni toping. A)0 B)1 C)2 D)-2 Tenglamani yeching. |x+1|+|x-2|=3 A)2 B)-1 C)[-1;2] D)[2;∞) Agar va x2-7x+6=0 tenglamaning ildizlari bo’lsa, ni toping. A)37 B)38 C)7 D)6 Hisoblang. 3 A) B) C) D) Tengsizlik nechta butun yechimga ega? |x+2|≤3 A)5 B)6 C)7 D)4 Tenglamani yeching. 6,9 4,6 x 5,4 A)7,1 B)7,7 C)8,1 D)8,4 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 |x|=x2-6 tenglamaning ildizlari ko’paytmasini toping. A)-6 B)-1 C)3 D)-9 Tengsizlikni yeching. (x-12)(x-13)≥0 A)(-∞;12]∪[13;∞) B)[12;13] C)[13;∞) D)(-∞;13] Tenglamaning ildizlari yig’indisini toping. |3x-5|=5 A) B)0 C) D) Kasrni qisqartiring. A) B) C) D) tenglamaning ildizlari ko’paytmasini toping. A)4 B)2 C)1 D)-1 Tengsizlikni yeching. 7(x+5)+10>17 A)(-4;∞) B)(-∞;-4) C)(4;∞) D)(-∞;4) Hisoblang. 12 A)2 B)2 C)4 D)3 Tengsizlikning eng katta manfiy butun yechimini toping. |x-3|≤7 A)-4 B)-3 C)-2 D)-1 Tenglamaning nechta ildizi bor? x2+|x|-2=0 A)0 B)1 C)2 D)3
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