Question

find the values of x if the distance between the points (0, 0) and (X, -4) is 5 units​

Answer 1

Under root {( x-0 )^2 + (-4-0)^2}=5
On squaring both sides; we get
x^2 + 16 = 25
x^2 = 9
x=3
Hence the correct value of x is 3
The coordinates are (3,-4)