Respuesta :
Answer:
y=-2x
Step-by-step explanation:
y=-2x+b
-4=-2(2)+b
-4=-4+b
b=0
Therefore, y=-2x
Answer:
Hey!
Your answer is y=-2x!
Step-by-step explanation:
Using the formula y=mx + c...
*c is the coordinate for the y intercept in this case!!*
y=-2x+c
-4=-2(2)+c (the y-value of the given coordinate is replacing y/we times -2 by 2)
-4=-4+c (take away 4 from each side)