I have recently been doing all these direct variation problems but not every linear relationship is a direct variation... But every direct variation is a linear relation!
The constant.
The constant.
no.
No.
Direct
Direct variation.
No it does not.
equation, table or a graph
y=7x
if the line runs through the origin it is a direct variation no matter if it is increasing or decreasing
YES...A direct variation is a linear relationship in which y-intercept is always 0.
if it passes through (0,0) then it is a direct variation