Question

Find the equation of the line below

Answer 1

The equation of a line passing through the origin has the form y=kx.

We know one pair (x, y) on this line: (3, 1). Substituting x=3, y=1 in y=kx, we have:

1=3k, which yields k=1/3.

Thus, the equation of the line is y=(1/3)x.

Answer: D

Explanation:

Answer 2

The equation of a line passing through the origin has the form y=kx.

We know one pair (x, y) on this line: (3, 1). Substituting x=3, y=1 in y=kx, we have:

1=3k, which yields k=1/3.


Thus, the equation of the line is y=(1/3)x.


Answer: D