Question

The following graph shows a proportional relationship.

What is the constant of proportionality between
�
yy and
�
xx in the graph?

Constant of proportionality
=
=equals

Answer 1

1/5?

Explanation:

coordinates are (x,y)

It moves over 5 x units and up 1 y unit.

The constant of proportionality is equal to y divided by x, so in this case, the y of 1 is divided by the x of 5.