matematica Aplicațiile determinanților în geometrie cls XI

Quiz
•
Mathematics
•
11th Grade
•
Hard
Daniela Milea
Used 6+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Să se determine aria triunghiului cu vărfurile în punctele A(2,0), B(0,4) şi C(1,6).
8
5
4
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În reperul cartezian, se consideră punctele O(0;0 ), A(0;3) , B(3;0). Să se determine ecuația medianei din O a triunghiului OAB
d : x=0
d: x+y -1=0
d: x= y
d: x-y -1=0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ecuația dreptei determinată de punctele A(-1;1) și B(2;3) este:
d: -2x+3y+5=0
d: 2x -3y +5=0
d: x+y+1=0
d: 2x +3y +5=0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Punctele A(4;1) , B(-1;-9) și C(2;-3) sunt coliniare?
da
nu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dar punctele A(0;1) , B(-1;7) și C(2;-3) sunt coliniare?
nu
da
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aria tringhiului ABC cu A(6;4) , B(2;5) și C(-4;3) este :
7
6
14
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dau punctele A(2m+1;m) , B(m-3;3) și C(m+7;-m). Pentru m=1 punctele A,B și C sunt coliniare?
da
nu
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