
Векторы.
Authored by Элена Мм
Mathematics
9th Grade
Used 2+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найти координаты вектора АВ,если А(1,3) В(-2;4)
(-3;1)
(-1;7)
(3;-1)
((-3;-7)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если АВ=СД,то найти х и у.
АВ(2х;8) и СД(10;3х-у)
х=5 и у=7
х=5 и у=23
х=-5 и у= 23/3
Х=10 И У=38/3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
пРИ КАКОМ ЗНАЧЕНИИ У,ДЛИНА ВЕКТОРА а(6;2у) равна 10?
100
12
4 И -4
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В треугольнике АВС ,АВ=5 см,ВС=12 см, угол В прямой.
Найдите
13
12
9
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите координаты вектора
(19;15)
(4;6)
(-15;21)
(19;-15)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При каком значении х,длина вектора равна 5?
2
4
2 и - 2
4 и -4
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