Answer:
Step-by-step explanation:
In a normal equation, y=mx+b, the constant of variation is the thing that "constantly" "varies" and in other words changes the same. This is the slope. In the equation, the slope is m.
-4y=8x
y=-2x
The constant of variation, aka slope, is -2
Answer:
<h2>a < -4</h2>
Step-by-step explanation:

No one can tell you the answer to this. You need to provide us with a equation which we can solve.

Hey mate,
Attachment 3 is a right angle because a right angle makes a straight line ( 90 degree angle)
that's why it's a right angle
<h3>plz mark me as brainliest </h3>