Question

Each point is included in a different variation. Which variation is the constant of variation 3/5

a -3,-5
b -3,5
c -2,-3
d 15,9

plz explain. thanks

Answer 1

well if y= 3/5 x, then only one fits.

testing the a)
y=3/5 (-3)=-9/5, doesnt work.
Now try d.