Question

If P = (2, -1) and Q = (k, 1) and PQ = 2 √2 unit then value

of k is

Answer 1

apply the distance formula and put it equal to the 2 root 2 find the value of k .....its easy i think that any calculation mistake will be there nothing else....hope it helps

Answer 2

-2 *k=2*root 2
-1*k =root 2
K= -root 2
Is
Correct
Answer