Question 105271
x/a+y/b=1
bx+ay=ab multiply both sides times ab to get rid of fractions.
ay=ab-bx
at trhe x intercept y=0: ab-bx=0
a-x=0 divide each side by b.
x=a  the x intercept is a
.
bx+ay=ab 
bx=ab-ay
at the y intercept x=0: ab-ay=0
b-y=0
y=b
.
Ed