Question

will give medal and fan 2x+y=-10 explain (-2,-6) (4,-18) and (-1,8)

Answer 1

What are you asked to do?

Answer 2

solve them to see which has the right solution

Answer 3

Plug each point in 2x+y=-10 and check if it's a true statement.
I'll do the first one as an example:
(-2,-6)
2(-2)+(-6)=-10
-4-6=-10
-10=-10

Answer 4

ok

Answer 5

i have another question

Answer 6

Alright, but open a new question so more people can see it and help .