Question

distance between the points 2, -3 and k, 9 is 13 units find the value of k​

Answer 1

Step-by-step explanation:

using distance formula ...

after that square both side...

I hope you got your answer...

Answer 2

Answer:

7 OR -3

Step-by-step explanation:

Using distance formula

$\sqrt({k-2})^{2} + [9-(-3)]^2 = 13\\\\\sqrt{k^2-4k+4+144}= 13\\k^2 -4k +148= 13^2 =169 \\k^2-4k-21=0\\\\\\k^2+3k-7k+21=0\\k(k+3)-7(k+3)\\(k-7)(k+3)\\k=7 or k=-3\\\\have a good day \\PLZ MARK BRAINLIEST$