The slope of AB is same as slope of BC.
Therefore, first option is not true.
In given diagram, point A, B and C lies on a single line i.e. points A, B and C are collinear points .
Therefore, slope of AB , BC and AC are always equal.
The ratios of the rise to the run for the triangles are equivalent because they represent slope of line.
Slope of line = [tex]\frac{y}{x} =\frac{4box}{6box}=\frac{2}{3}[/tex]
Therefore, first option is not true .
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