Find x if distance between M (-3,6) and N (x,-10) = 20
Answers
Answered by
0
Answer:
Step-by-step explanation:
Distance between two points
(x2−x1)
2
+(y2−y1)
2
(x−3)
2
+(2−(−6))
2
=10
(x−3)
2
+64
=10
Squaring both sides
(x−3)
2
+64=100
x
2
−6x−27=0
x
2
−9x+3x−27=0
x(x−9)+3(x−9)=0
x=−3,9
Taking positive value, x=9units
Answered by
0
Answer:
-3+x +16=20
x+13=20
x=20-13
x=7
Step-by-step explanation:
Similar questions