Question

-

Answer 1

Do you see the "+7" and the "+9" in both equations?

Answer 2

The equation of slope is y=mx+b
The b is the y intercepts, to these lines intersect at the 9 and 7 of the y axis, making choice C impossible.

Answer 3

You have to wait... I'll explain lol

Answer 4

The first line, the y=-1/2x+9 has a negative slope. The slop is the "m" that I mentioned in the previous reply. Since it is negative, it is going down, so it will intersect at both the y and x intercepts.

Answer 5

The other one, y=x+7 has a positive x, so it goes upwards, and intersects at a negative x. So if one goes up, and the other goes down, they eventually meet. This means that they intersect each other.

Answer 6

Do you want to make a guess now?

Answer 7

Yes! Good job! :D

Answer 8

No problem ^-^