Linear Function y=mx+b: Calculate the slope from two points

The line passes through the points $(0,0),(5,-5)$

$m=-1$

The line passes through the points $(2,2),(9,16)$

$m=2$

The line passes through the points $(-2,3),(0,1)$

$m=-1$

The line passes through the points $(-2,-4),(2,4)$

$m=2$

The line passes through the points $(3,6),(10,20)$

$m=2$

The line passes through the points $(3,7),(6,14)$

$m=2\frac{1}{3}$

The line passes through the points $(-5,10),(0,0)$

$m=-2$

The line passes through the points $(5,7),(1,3)$

$m=1$

The line passes through the points $(6,19),(12,20)$

$m=\frac{1}{6}$