15. The students in McKayla's class got to choose between a field trip to the natural history museum or to the ancient Indian burial grounds. Of the 28 students, the exact same numbers were in favor of each field trip destination. This is a _?_ to 1 ratio A 2
B 28
C 14
D 1​

A Step-by-step explanation:

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below: