Asked by Anonymous
why does a direct variation graph have to go through the origin?
Answers
Answered by
Reiny
a direct variation graph has the form
y = kx, where k is a constant
compare this with the equation y = mx + b
if b=0, the line goes through the origin, or (0.0) satisfies both equations.
y = kx, where k is a constant
compare this with the equation y = mx + b
if b=0, the line goes through the origin, or (0.0) satisfies both equations.
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