Question

If the intercepts of a line are (a,0) and (0,b), what is the slope of the line?

Show how you solved it.

Answer 1

generally gradient = (Y2-Y1)/(X2-x1)
from the above
y2= b
y1=0
x2=0
x1=a
so gradient= (b-0)/(0-a) = b/-a =-b/a