Which equation is a direct variation function? y = x
y = 4
y = x2
y = x + 2
y= 1/4 x + 2

y=x and y=1

                  4  x

Step-by-step explanation:

We know,

'Direct Variation function' is the function where two quantities vary directly i.e. variables x and y are said to be directly varying if 'y=kx' where k is the constant of variation.Thus, from the options, we see that the function,

y=x

is varying directly with the constant of variation i.e. k = 1.

y= 1

    4 x              

is also varying directly with constant k=1

                                                                 4

3/4 ÷ 3/4

step-by-step explanation:

basically divide any proper fraction with itself to fit the criteria.

so if we are using 3/4, then:

3/4 ÷ 3/4 = 1

so 1 is the quotient.

and the numerators for both these fractions is 3.   and if we divide the numerators:

3 ÷ 3 = 1

we see that quotient is equal to our original quotient as well.