Ikki nuqta orasidagi masofa. Aylana tenglamasi — 8-sinf Geometriya test savollari

1.Uchburchakning uchlari A(0; 0), B(0; 2), C(2; 0). Uchburchakning turini aniqlang.

• A)to'g'ri burchakli teng yonli uchburchak
• B)teng tomonli uchburchak
• C)to'g'ri burchakli, lekin teng yonli emas
• D)turi aniqlanmaydi

2.x² - 6x + y² + 2y - 6 = 0 tenglama bilan berilgan aylana markazi va radiusini toping.

• A)(3; -1), R = 4
• B)(3; 1), R = 4
• C)(-3; -1), R = 4
• D)(3; -1), R = 16

3.x² + y² + 10y + 24 = 0 tenglama bilan berilgan aylana markazi va radiusini toping.

• A)(0; -5), R = 1
• B)(0; 5), R = 1
• C)(0; -5), R = 25
• D)(0; -10), R = 1

4.A(2; 1) va B(x; -2) nuqtalar orasidagi masofa 5 ga teng. x ning musbat qiymatini toping.

• A)6
• B)-2
• C)8
• D)4

5.A(x; 0) va B(2; -1) nuqtalar orasidagi masofa 1 ga teng. x ni toping.

• A)2
• B)0
• C)1
• D)3

6.ABC uchburchakning uchlari A(-1; 2), B(2; 6), C(5; 2). Uchburchak perimetrini toping.

• A)16
• B)10
• C)26
• D)22

7.x² + y² = 100 tenglama bilan berilgan aylanada abssissasi 8 ga teng bo'lgan nuqtalarning ordinatalari ko'paytmasini toping.

• A)-36
• B)36
• C)6
• D)12

8.A(-3; 8) va B(5; 2) nuqtalar orasidagi masofani toping.

• A)10
• B)14
• C)8
• D)-10

9.A(8; -1) va B(-7; 7) nuqtalar orasidagi masofani toping.

• A)17
• B)23
• C)289
• D)7

10.A(5; 0) va B(0; -12) nuqtalar orasidagi masofani toping.

• A)13
• B)17
• C)169
• D)7