
Vektorok
Authored by Erzsébet Kolumbán
Mathematics
10th Grade
Used 9+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adottak az a = (6 ; 4 ) és az a- b= (11; 5 ) vektorok. Adja meg a b vektort a koordinátával!
b (5; - 1)
b (− 5; 1)
b (-5; - 1)
b (17; 9)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Az ABC háromszög két oldalának vektora AB =c és AC= b . Fejezze ki ezek segítségével az A csúcsból a szemközti oldal F felezőpontjába mutató AF vektort!
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fejezze ki az i és a j vektorok segítségével a c=2a-b vektort, ha a=3i-2j és b= -i+5j !
c=4i - 7j
c=5i - 9j
c=6i - 10j
c=7i - 9j
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Az A(−7;12 ) pontot egy r vektorral eltolva a B (5 ; 8 ) pontot kapjuk. Adja meg az r vektor koordinátáit!
r = (-12 ; 4 )
r = (12 ; - 4 )
r = (-2 ; 20 )
r = (12 ; 4 )
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Számítsa ki a következő vektorok skaláris szorzatát! Határozza meg a két vektor által bezárt szöget!
a (5 ; 8 ) és b (- 40 ; 25 )
A két vektor szöge 30°.
A két vektor szöge derékszög.
A két vektor szöge 60°.
A két vektor szöge 45°.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adottak az a (4 ; 3) és b (−2 ; 1) vektorok.
Számítsa ki az a + b koordinátáit!
a+b= (2; 3)
a+b= (6; 4)
a+b= (2; 4)
a+b= (-8; 3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adottak az a(4 ; 3) vektor. Adja meg az a vektor hosszát!
|a| =5
|a| =7
|a| =25
|a| =1
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