Question

slope of the line (15,6) and (30,4)

Answer 1

Answer:

the line (15,6) and (30,4)

m=$\frac{4 - 6}{30 - 15}$

=$\frac{ - 2}{15}$

is a required slope.

Answer 2

Here let (15,6)=(x1,y1)
(30,4)=(x2,y2)
Now using the formula:
m=y2-y1/x2-X11
m=4-6/30-15
m=-2/15