a: y=-1/2x+3
b: y=3x-1/2
c: y=-1/2x-3

Answer:
a: y = -1/2x + 3
Step-by-step explanation:
a: y = -1/2x + 3
y = -1/2(0) + 3
y = 3 - Correct
b: y = 3x - 1/2
y = 3(0) - 1/2
y = -1/2 - Incorrect
c: y = -1/2x - 3
y = -1/2(0) - 3
y = -3 - Incorrect
Hopefully this helps!
Brainliest please?