2000001804
Level:
B
Choose the parallel vector to the vector \((4; 2)\).
\( (-2; -1) \)
\( (2; -4) \)
\( (1;2) \)
\( (-1; 2) \)
Points and vectors
2000001803
Level:
B
Choose the parallel vector to the vector \( (-1; 3)\).
\( (-3; 9) \)
\( (3; 1) \)
\( (-2; 4) \)
\( (0; 3) \)
2000001802
Level:
B
Choose the perpendicular vector to the vector \( (-4; 8)\).
\( (-2;-1) \)
\( (1;2) \)
\( (-2;1) \)
\( (2;-1) \)
2000001801
Level:
B
Find the perpendicular vector to the vector \((2; 5)\).
\( (5;-2) \)
\( (5;2) \)
\( (-2;-5) \)
\( (-5;-2) \)
2000001409
Level:
A
Find the vector \(\vec{c} = 2\vec{a} - \vec{b}\), where \(\vec{a}=(3;5) \) and \(\vec{b}=(-1;4) \).
\( (7;6) \)
\( (5;6) \)
\( (5;14) \)
\( (4;1) \)
2000001408
Level:
A
Find the vector \(\vec{c} = \vec{a} - \vec{b}\), where \(\vec{a}=(1;2) \) and \(\vec{b}=(-3;4) \).
\( (4;-2)\)
\( (-2;-2)\)
\( (4;2)\)
\( (2;-2)\)
2000001407
Level:
A
Find the vector \(\vec{c} = \vec{a} + 2\vec{b}\), where \(\vec{a}=(-1;3) \) and \(\vec{b}=(1;-2) \).
\( (1;-1) \)
\( (0;1) \)
\( (-1;4) \)
\( (1;7) \)
2000001406
Level:
A
Find the vector \(\vec{c} = 2\vec{a} + \vec{b}\), where \(\vec{a}=(2;3) \) and \(\vec{b}=(-2;5) \).
\((2;11)\)
\((0;8)\)
\((6;11)\)
\((6;8)\)
2000001405
Level:
A
Find the opposite vector of the vector \( (1;-3) \).
\( (-1;3) \)
\( (-3;1) \)
\( (3;1) \)
\( (1;3) \)
2000001404
Level:
A
Find the vector \(\overrightarrow{AB}\), where \(A=[-3;1]\) and \(B=[4;2]\).
\( (7;1) \)
\( (1;1) \)
\( (7;-1) \)
\( (-1;1) \)