Which is the direct linear variation equation for the relationship?

y varies directly with x and y = 10 when x = 2.

A.
y = 2x + 6

B.
y = 5x

C.
y = x – 8

D.
y = x + 8

Question

Which is the direct linear variation equation for the relationship?

    y varies directly with x and y = 10 when x = 2.
 
 
 A.
y = 2x + 6
 
 B.
y = 5x
 
 C.
y = x – 8
 
 D.
y = x + 8

thefluffmuncher · Answer

Can someone explain to me how to do this

***[isuru]*** · Answer

y directly varies with x means 
       y is directly proportional to x
                   $$y \ \alpha \ x$$
which will become
     $$y = kx$$

now can u find an answer for ur question then :) ?