What does constant of variation mean?
a. a constant ratio of variables related proportionally.
b. the nonzero constant in a direct variation.
c. a relationship between two quantities in which the ratio of one quantity to the other quantity is constant.

The answer is C) A relationship between two quantities in which the ratio of one quantity to the other quantity is constant.

In other words,

The constant of variety is the number that is is comparable to two variables that are straightforwardly corresponding or contrarily corresponding to each other.

1/4

Step-by-step explanation:

8y=+2x+10

Divide by 8

y=2/8x+10

Y=1/4x+10

y=mx+b

M= slope