Coordinates of a vector and operations on them
Answers are for parents and teachers.
1
A(2; 8), B(9; 3). What is the first coordinate of →AB?
7
2
The beginning is A(4; 4) and the coordinates are (3; 5). What is the second coordinate of the end?
9
3
→a(6; 4), →b(1; 9). What is the first coordinate of →a − →b?
5
4
→a(2; 3). What is the sum of the coordinates of 5→a?
25
5
Write how to find the coordinates of a vector from the coordinates of its beginning and end.
Subtract the coordinates of the beginning from the corresponding coordinates of the end.