Select a linear combination of the standard unit vectors i and j of given initial and terminal points of a vector. Initial Point
Terminal Point
(-9,9)
(10,-10)
A)19i - 19j
B)-19i + 19j
C)-19i - 19j
D)19i + 19j
E)-19i - 19j

Question

Select a linear combination of the standard unit vectors i and j of given initial and terminal points of a vector. Initial Point
Terminal Point
(-9,9)​
​(10,-10)
A)19i - 19j
B)​-19i + 19j
C)​​-19i - 19j
D)​19i + 19j
E)​-19i - 19j

Quizplus · Accepted Answer

To find the vector from the initial point (-9,9) to the terminal point (10,-10), subtract the coordinates of the initial point from the terminal point: (10 - (-9), -10 - 9) = (19, -19). This gives the vector 19i - 19j.

Select a Linear Combination of the Standard Unit Vectors I