Locus problem (1 Viewer)

[enigma_1]

How do you do 13a?

 

[QZP]

Do you have any ideas?

 

[rumbleroar]

13a. you find the midpoint of P & Q by using midpoint formula ( (x1+x2)/2 , (y1+y2)/2 ); then determine the parameters of the question and use either identities or substitution to find an equation linking x & y (hint: you don't use substitution)

 

[rumbleroar]

let me know if you understand it or not, because you really need to understand how to figure out the locuses, similar to these questions, or else you will have a lot of trouble for the rest of the topic