.5
It’s a cus they are all half the value of each other
Answer:
See attachment
Step-by-step explanation:
The first function is
.
The slope is
and the y-intercept is
.
The second equation is
.
The slope intercept form is 
The slope is
and y-intercept is 
The graph of these two functions is shown in the attachment.

The 1st option because needed to flip the inequalities sign when multiplied by a negative.
Hope this helps. - M