Answer:
K = ½
Equation: y = ½x
Step-by-step explanation:
✔️Constant of proportionality (k) = y/x
Using a point on the line, (2, 1),
k = ½
✔️Equation of a proportional relationship would be in the form of y = kx
To write an equation, substitute k = ½, into y = kx
Thus:
y = ½x
