Tekislikda nuqtaning koordinatalari. Kesma o'rtasining koordinatalari — 8-sinf Geometriya test savollari

1.ABCD to'rtburchak (uchlari shu tartibda) parallelogramm bo'lib, A(-4; 0), B(-2; -2), D(-2; -4) nuqtalar berilgan. C uchining koordinatalarini toping.

• A)(0; -6)
• B)(-4; -6)
• C)(0; -2)
• D)(4; -6)

2.C(0,5; 1) nuqta AB kesmaning o'rtasi va A(2; -3) berilgan. B nuqtaning koordinatalarini toping.

• A)(1; 5)
• B)(-1; 5)
• C)(-1; -5)
• D)(3; -1)

3.ABC uchburchakning uchlari A(-1; 2), B(2; 6), C(5; 2). $BC$ tomonining o'rtasi N ning koordinatalarini toping.

• A)(3,5; 3)
• B)(3,5; 4)
• C)(7; 8)
• D)(1,5; -2)

4.A(-7; 3) nuqtaga koordinatalar boshiga nisbatan simmetrik bo'lgan B nuqtaning koordinatalarini toping.

• A)(7; 3)
• B)(7; -3)
• C)(-7; -3)
• D)(-3; 7)

5.ABCD parallelogrammning A(-3; 3), B(5; -1), C(2; 3) uchlari berilgan. D uchining koordinatalarini toping.

• A)(-6; 7)
• B)(10; -1)
• C)(-6; -1)
• D)(6; 7)

6.Kesmaning uchlari A(-6; 2) va B(4; 4). Kesma o'rtasi C ning ordinatasini abssissasiga nisbati (y/x) nechaga teng?

• A)-3
• B)3
• C)$-\frac{1}{3}$
• D)$\frac{1}{3}$

7.A(-12; -3) va B(-8; 1) nuqtalar berilgan. AB kesma o'rtasining koordinatalarini toping.

• A)(-10; -1)
• B)(-20; -2)
• C)(-10; 1)
• D)(-1; -10)

8.A(4; -11) va B(-4; 0) nuqtalar berilgan. AB kesma o'rtasining koordinatalarini toping.

• A)(0; -11)
• B)(0; -5,5)
• C)(0; 5,5)
• D)(-4; -5,5)

9.A(-8; -4) va B(-1; 3) nuqtalar berilgan. AB kesma o'rtasining koordinatalarini toping.

• A)(-9; -1)
• B)(-4,5; -0,5)
• C)(4,5; -0,5)
• D)(-4,5; 0,5)

10.A(x; y) nuqta uchun x = -3, y = 5 bo'lsa, bu nuqta qaysi chorakda yotadi?

• A)I
• B)II
• C)III
• D)IV