Question

5. Find the co-ordinates of the points on the
y-axis, which are at a distance of 10 units
from the point (-8, 4)​

Answer 1

Answer:

100=(-8-0)^2+(4-y)^2

100=64+16+y^2-8y

y^2-8y-20

y^2-10y+2y-20

y(y-10)+2(y-10)

y=2

coordinates are (0,2)