9-sinf Matematika 4-chorak

Agar va   bo’lsa,   ni toping

To’g’ri burchakli uchburchakning gipotenuzasi 18 sm va bir kateti 4 sm bo’lsa, uning ikkinchi katetini toping

Parallelogrammning tomonlari 7√3 va 6 sm. Agar uning o‘tmas burchagi 120° bo‘lsa, uning yuzini toping

Funksiyalarning qaysi biri juft funksiya

Hisoblang: tg1800^°  - sin495^° + cos495^°

Ifodani soddalashtiring

Ifodaning qiymatini toping:
(-8)²-(-5)³-(12) ²

Hisoblang:

Agar      va  90^°° bo’lsa, sina ni toping

Hisoblang

x= -2 da y=2x² +5x-3 funksiyaning qiymatini toping

Parabola uchining koordinatalarini toping: y=x²+6x+5

Geometrik progressiyada  =10,   =310 bo'lsa, q ni toping?

Parallelogrammning tomonlari 7√3 va 6 sm. Agar uning o‘tmas burchagi 120° bo‘lsa, uning yuzini toping

Arifmetik progressiyada  =44, =20 bo'lsa  ni toping?

Tomonlari 6 sm va 7 sm bo‘lgan to‘g‘ri to‘rtburchakka tashqi chizilgan doira yuzini toping

Ifodani soddalashtiring:

Arifmetik progressiyada =20 bo'lsa,   ni toping?

Parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping: y = -2x² – 8x +10

Kvadrat tengsizlikni yeching:
3x² – 5x -2 > 0

Agar (-1;2) nuqta y = kx² +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping

Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping

Kvadrat funksiyaning nollarini  toping:
y = x² - 5x + 6

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping