Question

Solve the following system of equations by graphing.
x+y=8
x-2y=-4

What is the y-value of their intersection?
-4
4
12
none of the above

Answer 1

I would say None of the above... Because I solve it and it gave me 2.

Answer 2

maybe try graphing it?

Answer 3

Let me know what u get for that question, I hope I help :D.

Answer 4

I graphed it, the two equations lines went through 4. I guess that's how you find the answer?

Answer 5

yes

Answer 6

Thanks everyone :)

Answer 7

welcome :)