Tekislikda geometrik almashtirishlar. Harakat va parallel ko‘chirish — 9-sinf Geometriya test savollari

1.Nuqta A(1;1) parallel ko‘chirish natijasida A′(4;3) ga o‘tgan. Shu ko‘chirish vektorini toping.

• A)(1;1)
• B)(3;-2)
• C)(4;3)
• D)(3;2)

2.Parallel ko‘chirish A(1;4) nuqtani A′(4;2) ga o‘tkazadi. Shu ko‘chirish B(-2;5) nuqtani qaysi nuqtaga o‘tkazadi?

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

3.Parallel ko‘chirish vektori (-4;2) berilgan. C(5;-1) nuqtaning obrazini toping.

• A)(1;1)
• B)(9;-3)
• C)(-1;1)
• D)(1;-3)

4.A(2;3) nuqta parallel ko‘chirish natijasida A′(5;-1) ga o‘tgan. Shu ko‘chirishda B(0;0) nuqtaning obrazini toping.

• A)(0;0)
• B)(3;-4)
• C)(-3;4)
• D)(3;4)

5.Parallel ko‘chirish vektori (2;-5). M(-1;-2) nuqtaning obrazini toping.

• A)(-3;3)
• B)(1;-7)
• C)(-1;-7)
• D)(1;3)

6.A(4;-3) nuqta vektor (-2;6) bo‘yicha ko‘chirilgan. A′ ni toping.

• A)(-2;3)
• B)(6;-9)
• C)(2;-3)
• D)(2;3)

7.Ikki marta ketma-ket bajarilgan parallel ko‘chirish (vektorlari (1;2) va (3;-1)) natijasida hosil bo‘lgan umumiy ko‘chirish vektorini toping.

• A)(3;2)
• B)(4;1)
• C)(4;-1)
• D)(2;3)

8.Parallel ko‘chirishda kesma uzunligi qanday o‘zgaradi?

• A)Ortadi
• B)Kamayadi
• C)Faqat burchak o‘zgaradi
• D)O‘zgarmaydi (harakat)

9.Uchburchak parallel ko‘chirilganda uning yuzi qanday o‘zgaradi?

• A)2 marta ortadi
• B)O‘zgarmaydi
• C)Nolga teng bo‘ladi
• D)Yarmiga kamayadi

10.Harakat (dvijeniye) deb qanday almashtirishga aytiladi?

• A)Faqat burchaklarni saqlovchi almashtirish
• B)Shakllarni kattalashtiruvchi almashtirish
• C)Faqat yuzlarni saqlovchi almashtirish
• D)Nuqtalar orasidagi masofalarni saqlovchi almashtirish