Which of the following equations represents a graph passing through the origin, where b is the y-intercept and m is the slope?

Question

a.

y = b

b.

None of these

c.

y = bx

d.

y = mx

Answer 1

They want you to answer d) or, perhaps b)

But the problem, as it is formulated, is not uniquely defined.

For instance, when m=0 and b=0 all 3 answers will be correct