The plane would have gone 200 mile in one hour.
Yes.
y=7x
Yes.
y=x/7 y=(1/7) x It is a direct variation since it is of the form y=kx, where k=1/7 , a constant
0.2755 Direct Conversion Formula 7 mm* 1 in 25.4 mm = 0.2755905512 in
Yes, it is direct variation.
No, it is not a direct variation.
No, direct variation is "y=ax." In direct variation a equals any real constant, b=1, and c must equal zero. If any of thee conditions are changed, it is not direct variation.
No, this is an inverse variation.
1
No.
Yes.
No.
no.
Direct
No.
There is only one equation that is given in the question and that equation is not a direct variation.