Which ordered pair would form a proportional relationship with the point graphed below? (60,-20)

Given:

The graphed point is (60,-20).

To find:

The ordered pair that would form a proportional relationship with the given point.

Solution:

If y is proportional to x, then

Where, k is the constant of proportionality.

For the given point,

For option (A),

For option (B),

For option (C),

.

The point (-30,10) gives the same value of the constant of proportionality. So, the point (-30,10) forms a proportional relationship with the given point.

Therefore, the correct option is C.