Find a vector a with representation given by the directed

Cheexorgeny

Cheexorgeny

Answered question

2022-01-04

Find a vector a with representation given by the directed line segment AB. Draw AB and the equivalent representation starting at the origin.
A(2,I), B(l,2)

Answer & Explanation

Laura Worden

Laura Worden

Beginner2022-01-05Added 45 answers

Given A(1,1), B(3,2)
Substract the corresponding components of A and B
a=AB=<3(1),21<4,1>
The equivalent representation is a vector from the point (0,0) to (4,1)
user_27qwe

user_27qwe

Skilled2023-05-27Added 375 answers

To find the vector a with the representation given by the directed line segment AB, where A(2,1) and B(1,2), we can use the formula:
a=BA
Substituting the values of A and B, we have:
a=[12][21]
Simplifying the subtraction, we get:
a=[1(2)21]
Thus, the vector a is:
a=[31]
Now, let's draw the line segment AB and the equivalent representation of a starting at the origin.
[Drawing]
As shown in the drawing, the line segment AB extends from the point A(2,1) to the point B(1,2). The vector a with representation starting at the origin is represented by the arrow starting at the origin and ending at the point (3,1).
karton

karton

Expert2023-05-27Added 613 answers

Step 1:
The vector representation of a line segment from point A to point B is given by the difference between the coordinates of B and A. Therefore, the vector 𝐚 can be found as:
𝐚=𝐁𝐀
Given that point A is A(2,1) and point B is B(1,2), we can calculate the vector 𝐚 as:
𝐚=(12)(21)
Simplifying this expression, we get:
𝐚=(1+221)
𝐚=(31)
Step 2:
Now, let's draw the directed line segment AB and the vector representation starting from the origin.
AB:
To draw AB, we start at point A (2,1) and end at point B (1,2).
AB:
To draw the vector representation AB starting from the origin, we start at the origin (0,0) and end at the coordinates of B (1,2).
Now, let's visualize this on a coordinate plane:
AB:
- Draw a line segment from point A (2,1) to point B (1,2).
AB:
- Draw an arrow starting from the origin (0,0) and ending at the coordinates of B (1,2).
By following these steps, you should be able to solve the problem and draw the directed line segment AB and its equivalent vector representation starting from the origin.

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