Vodiy ta’lim

“VODIY TA’LIM” O’QUV MARKAZI

MATEMATIKA


76. 𝑎, b Z, a [–2: 5), b (– 4; 6] bo’lsa, 3a – 2b ning eng katta qiymatini toping?
A) 18 B) 19 C) 17 D) 15


77. + +1 = ?

A) a B) b C) D)

78. y = ( – ( + )) ( + 8) funksiyaning
nollari nechta?
A) 1 B) 2 C) 3 D) 4


79. Hisoblang: 2,(3) + 5 : (6 1 – 8 )

A) 7 B) 8 C) 7 D) 9

80. ni soddalashtiring?

A) B) C) D)

81. ABCD trapetsiyaning A va B o’tkir burchaklari yig’indisi 160° ga teng. C va D burchaklarining bissektrisalari E nuqtada kesishsa, CED burchakning kattaligini toping?
A) 70° B) 80° C) 100° D) 50°


82. 25 90 tengsizlikni qanoatlantiruvchi nechta butun son mavjud?
A) 0 B) 1 C) 2 D) 3


83. va – 25x + 13 = 0 tenglamaning ildizlari bo’lsa, + ning qiymatini toping?
A) – 325 B) 325 C) 12 D) – 12


84. Ketma-ketlikning dastlabki n ta hadining yig’indisi 2 – n bo’lsa, o’n beshinchi had topilsin?
A) 63 B) 57 C) 61 D) 59


85. Berilgan chizmada A'B'C' uchburchak yuzi 28 ga teng bo’lsa, ABC uchburchak yuzini toping?

A) 2 B) 5 C) 3 D) 4

86. Lagerda 40 kishilik bir guruhning 60 kunga
yetadigan oziq-ovqati bor. 10 kundan keyin nechta odam ketsa oziq-ovqat qolganlarga 80 kunga yetadi?
А) 10 В) 15 С) 20 D) 25