Answer:
7
Step-by-step explanation:
Standard form.

Where m is the slope and n is the point where x=0. Then, you have,

To obtain n use the point they give you,

So n=-7 and then
Answer:
y = -1/2x - 2.5 or y = -0.5x - 2.5
Step-by-step explanation:
You want to first find the slope of this perpendicular lie which is the negative reciprocal.
Original slope = 2
New slope = -1/2
So now you want to plug in the (5,-5) to find the y-intercept
y=-1/2x+b
-5 = -1/2 (5) + b
-5 = -2.5 + b
b = -2.5
So, your new equation is y = -1/2x - 2.5
Answer:
I believe that C is the correct answer.
Step-by-step explanation: