Question

a) if,p,q,r are the points (-1,1),(1,3) and (3,a) respectively and if pq=qr , then find a.​

Answer 1

Answer:

a=5

Step-by-step explanation:

y2-y1/x2-x1

so for pq,

3-1/1-(-1)=2/2=1=pq

and for qr,

a-3/3-1=1

and solving for 'a' you get a=5