Which of the following are quadratic functions ??

A C D

Step-by-step explanation:

I just took it it was easy

D & A

Step-by-step explanation:

When you put the equation into a graphing calculator D & A are the only ones to come out as a parabola. I also just answered the question. Hopes this helps someone.

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: