Question

Write the equation for the following relation.

D = {(x, y): (3, 9), (5, 25), (-2, 4), . . .}

Answer 1

did u try to find the relation ? how is 3 related to 9 ? 5 related to 25 ?

Answer 2

as a hint:
look at all y/x...
need more explanation?

Answer 3

y1/x1 = 9/3 = 3
y2/x2 = 25/5 = 5
y3/x3 = 4/-2 = -2
.
.
.
right?

Answer 4

no, its x^2=y

Answer 5

yes... of course it is that... just gave hint to reach it,... not giving complete answer.