Question #78376
2 Answers
Jan 10, 2018
Coordinates of
Explanation:
Given
To find Y
Similarly,
Coordinates of
Jan 10, 2018
Explanation:
#"M is the midpoint of XY"#
#rArrvec(XM)=vec(MY)#
#rArrulm-ulx=uly-ulm#
#rArruly=2ulm-ulx#
#color(white)(rArruly)=2((0),(6))-((4),(5))#
#color(white)(rArruly)=((0),(12))-((4),(5))=((-4),(7))#
#rArrY=(-4,7)#