Question

if the distance between A(k,3) and B(2,3) is 5 find the value of k​

Answer 1

Answer:

k = 21 or k = 25

Step-by-step explanation:

Given ,

A (k,3) ------------5 unit------------ B (2,3)

distance = ✓(x2-x1)^2-(y2-y1)^2

5 = ✓2^2+k^2-4k

25 = 4-4k+k^2

21 = k(k-4)

k = 21 or k = 25