Question

Graph x2 + y2 = 9. What are its lines of symmetry?

Answer 1

@AravindG

Answer 2

divide the whole equation by 9

Answer 3

This is a circle :D

Answer 4

Correct

Answer 5

what do u get?

Answer 6

Did what @AravindG

Answer 7

divide the whole equation by 9

Answer 8

So technically it would have an infinite amount of lines of symmetry, as long as they pass though the origin.

Answer 9

Alright. The graph has like a circle & i just finished a lesson on this, but never really understood. So i'm 90% lost

Answer 10

@AravindG ?

Answer 11

Thanks