Question

FIND K , IF R(1,-1), S(-2,K ) AND SLOPE OF LINE RS IS -2.
PLZ GIVE ME ANS STEP BY STEP THEN I WILL U BRAINLIST MARK....

Answer 1

Step-by-step explanation:

y-y/x-x

2=-2-1/k+1

2k+2=-2

2k+4=0

k=-2 is the answer of this question