How do you find Z-X given X=[(4,1), (-2,6)] and Y=[(0,-3)] and Z=[(-1,3), (0,-2)]?

1 Answer
Dec 31, 2016

(see below)

Explanation:

Given
color(white)("XXX")color(red)(X=[(4,1),(-2,6)])
and
color(white)("XXX")color(blue)(Z=[(-1,3),(0,2)]
then
color(white)("XXX")color(red)(X)-color(blue)(Z) = [(color(red)4-color(blue)(""(-1)),color(white)("XX"),color(red)1-color(blue)3),(color(red)(""(-2))-color(blue)0,,color(red)6-color(blue)2)]

color(white)("XXXXXXX")=[(5,-2),(-2,4)]